Released in 2017 as a pivotal chapter in Phase Three of the Marvel Cinematic Universe (MCU), Guardians of the Galaxy Vol. 2 expanded the cosmic side of Marvel with a story centered on family, fatherhood, and belonging. While the first film introduced us to a ragtag group of outlaws, the sequel deepened their emotional bonds through an ensemble cast that balanced high-octane action with genuine heart.

Directed by James Gunn, the film features a massive cast ranging from Hollywood veterans like Kurt Russell and Sylvester Stallone to rising stars like Pom Klementieff. For fans looking to identify every face—and voice—in this cosmic adventure, here is the comprehensive guide to the cast of Guardians of the Galaxy Vol. 2.

The Core Guardians Returning for the Sequel

The strength of the Guardians franchise lies in the chemistry of its central team. In Vol. 2, these characters are no longer just allies by necessity; they are a self-proclaimed family.

Chris Pratt as Peter Quill (Star-Lord)

Chris Pratt returns as Peter Quill, the half-human, half-Celestial leader of the Guardians. In this installment, Pratt’s performance shifts from the cocky outlaw seen in the first film to a son searching for his roots. Quill’s arc focuses on his meeting with his biological father, Ego, and the realization that his true father figure was beside him all along. Pratt’s ability to blend comedic timing with the heavy emotional demands of the film’s climax cemented his status as a leading man in the MCU.

Zoe Saldaña as Gamora

Zoe Saldaña portrays Gamora, the "deadliest woman in the galaxy." In Vol. 2, her character's primary conflict is not with a cosmic villain, but with her sister, Nebula. Saldaña brings a disciplined, stoic energy to the role, acting as the pragmatic "mother" of the group. Her performance highlights the trauma of her upbringing under Thanos and her gradual opening to the idea of romantic love with Peter Quill.

Dave Bautista as Drax the Destroyer

Dave Bautista’s Drax remains one of the most beloved characters in the franchise. Known for his literal-mindedness and lack of social filter, Drax provides much of the film's humor. However, Bautista also infuses the character with a quiet sadness, reflecting on his lost family. His unique dynamic with the newcomer Mantis becomes a highlight of the film, showcasing Bautista’s growth as a comedic actor.

Bradley Cooper as the Voice of Rocket

While Sean Gunn provides the on-set motion capture, Bradley Cooper provides the voice of Rocket, the genetically enhanced raccoon. Rocket’s journey in Vol. 2 is one of self-sabotage and the fear of intimacy. Cooper’s vocal performance conveys a gritty vulnerability, especially during his arguments with Yondu, where the two realize they are mirrors of each other.

Vin Diesel as the Voice of Baby Groot

Following the sacrifice of the original Groot in the first film, Vin Diesel returns to voice Baby Groot. Though his vocabulary remains limited to "I am Groot," Diesel recorded the line in dozens of languages and varied the pitch to match the character’s youthful energy. Baby Groot serves as both the mascot of the film and the emotional glue that keeps the family together.

The Powerful New Additions to the MCU

One of the most anticipated aspects of Guardians of the Galaxy Vol. 2 was the introduction of Peter Quill's father and other cosmic entities.

Kurt Russell as Ego the Living Planet

In a masterstroke of casting, Hollywood icon Kurt Russell joined the MCU as Ego, a Celestial and Peter’s biological father. Russell’s natural charisma makes Ego’s initial appearance charming and trustworthy, which makes the eventual revelation of his villainous nature even more impactful. His performance explores the theme of toxic legacy and the danger of god-like narcissism.

Pom Klementieff as Mantis

Vol. 2 introduced Pom Klementieff as Mantis, an empath with the ability to sense and manipulate emotions. Klementieff brings a naive, wide-eyed innocence to the role that perfectly offsets Drax’s bluntness. Her character is essential to the film’s emotional beats, as she acts as the bridge that allows the Guardians to understand each other’s hidden feelings.

Elizabeth Debicki as Ayesha

The towering, gold-skinned High Priestess of the Sovereign is played by Elizabeth Debicki. Ayesha serves as a secondary antagonist whose obsession with genetic perfection and perceived slights leads her to hunt the Guardians throughout the film. Debicki’s performance is characterized by a cold, aristocratic haughtiness that provides a distinct contrast to the messy, emotional nature of the Guardians.

The Emotional Core of the Ravagers

The Ravagers, the space-pirate syndicate, play a much larger role in this sequel, specifically regarding the themes of betrayal and redemption.

Michael Rooker as Yondu Udonta

Michael Rooker’s Yondu is arguably the emotional heart of Guardians of the Galaxy Vol. 2. Initially presented as a morally ambiguous antagonist in the first film, Yondu’s backstory is fully explored here. Rooker delivers a powerhouse performance, culminating in a heroic sacrifice that redefined his relationship with Peter Quill. The line "He may have been your father, boy, but he wasn't your daddy" remains one of the most iconic moments in MCU history.

Karen Gillan as Nebula

Nebula’s role is significantly expanded in the sequel. Karen Gillan portrays the cybernetically enhanced assassin with a fierce intensity. The film explores her deep-seated resentment toward her sister, Gamora, and her desperate need for parental validation. Gillan’s ability to portray Nebula’s rage as a mask for her pain makes her one of the most complex characters in the film.

Sean Gunn as Kraglin

Sean Gunn, in addition to his motion-capture work for Rocket, plays Kraglin, Yondu’s loyal second-in-command. Kraglin’s arc involves his guilt over the mutiny against Yondu and his eventual transition into a member of the Guardians' extended family. Sean Gunn brings a grounded, blue-collar sensibility to the cosmic setting.

Chris Sullivan as Taserface

The leader of the mutiny against Yondu, Taserface, is played by Chris Sullivan. Despite his intimidating appearance, the character is often the butt of the joke, particularly regarding his choice of name. Sullivan’s performance captures the archetype of a secondary villain whose ambition exceeds his intelligence.

Notable Cameos and the Original Guardians Team

James Gunn included several high-profile cameos that pay homage to the original 1969 comic book version of the Guardians of the Galaxy.

  • Sylvester Stallone as Stakar Ogord: A high-ranking Ravager leader who has a history with Yondu. Stallone brings his legendary screen presence to this brief but significant role.
  • Michael Rosenbaum as Martinex: Stakar’s right-hand man, a character made of crystal.
  • Ving Rhames as Charlie-27: Another legendary Ravager captain from the original comics.
  • Michelle Yeoh as Aleta Ogord: A member of Stakar’s team and a fellow Ravager captain.
  • Miley Cyrus as Mainframe: The uncredited voice of a robotic head in the mid-credits scene.
  • David Hasselhoff as Himself: Appears briefly when Ego shapeshifts to appeal to Peter’s childhood memories.

Supporting Cast and Voice Cameos

The world-building of Vol. 2 is supported by a variety of actors who bring the diverse planets and factions to life.

  • Tommy Flanagan as Tullk: A loyal member of Yondu's crew who meets a tragic end during the mutiny.
  • Laura Haddock as Meredith Quill: Reprising her role from the first film, Haddock appears in flashbacks that establish the relationship between her and Ego.
  • Gregg Henry as Jason Quill: Peter's grandfather, seen briefly on Earth during the seedling expansion.
  • Stan Lee as The Watcher's Informant: In one of his most famous cameos, Stan Lee is seen talking to the Watchers, confirming the fan theory that his various MCU characters are linked.

Why the Cast Chemistry Defined the Success of Vol. 2

The success of Guardians of the Galaxy Vol. 2 was not just due to its visual effects or soundtrack, but the tangible chemistry between the actors. James Gunn famously fostered a collaborative environment where the actors felt like a real unit.

The pairing of Dave Bautista and Pom Klementieff provided a new comedic dynamic that felt fresh and endearing. Meanwhile, the intense scenes between Zoe Saldaña and Karen Gillan felt earned because of the actors' shared commitment to exploring the trauma of their characters' pasts.

Furthermore, the addition of Kurt Russell provided a veteran presence that challenged the younger cast members. His scenes with Chris Pratt felt authentic, capturing the awkwardness and eventual heartbreak of a son meeting a father who isn't who he hoped he would be. This ensemble worked because every actor understood that the film was a "space opera" where the "opera" (the emotion) was just as important as the "space" (the spectacle).

Frequently Asked Questions about the Cast

Who plays Peter Quill's father in Guardians of the Galaxy 2?

Kurt Russell plays Ego the Living Planet, the biological father of Peter Quill. He is an ancient Celestial who sought to use Peter to help him terraform the universe.

Is Miley Cyrus in the Guardians of the Galaxy 2 cast?

Yes, Miley Cyrus has an uncredited voice cameo as Mainframe, one of the Ravager captains seen in the mid-credits scenes.

Who is the golden lady in Guardians of the Galaxy 2?

The High Priestess of the Sovereign, Ayesha, is played by Elizabeth Debicki. She is the leader of the genetically engineered Sovereign race.

Does Vin Diesel really voice Baby Groot?

Yes, Vin Diesel provided the voice for Baby Groot. He recorded his lines in a higher pitch to represent the character's young age and performed the lines in multiple languages for international releases.

Who played the character Taserface?

Taserface was played by Chris Sullivan, known for his role in the television series This Is Us.

Summary of the Guardians of the Galaxy Vol. 2 Cast

The cast of Guardians of the Galaxy Vol. 2 is a brilliant mix of returning favorites and legendary newcomers. Lead by Chris Pratt's Star-Lord, the team evolved from a group of individuals into a tightly-knit family. The inclusion of Kurt Russell as the antagonist Ego and Michael Rooker's expanded role as Yondu provided the film with its deep emotional core. From the main Guardians to the secret cameos by Sylvester Stallone and Michelle Yeoh, the actors in this sequel helped create one of the most character-driven and heart-wrenching entries in the Marvel Cinematic Universe. Whether through voice acting, motion capture, or live-action performance, the cast's dedication to their roles remains a benchmark for ensemble filmmaking in the superhero genre.