John Cena Christopher 'Chris' Smith / Peacemaker

Danielle Brooks Leota Adebayo

Freddie Stroma Adrian Chase / Vigilante

Jennifer Holland Emilia Harcourt

Steve Agee John Economos

Robert Patrick August 'Auggie' Smith / White Dragon

Dee Bradley Baker Eagly (voice)

Nhut Le Rip Jagger / Judomaster

Lochlyn Munro Larry Fitzgibbon

Chukwudi Iwuji Clemson Murn

Frank Grillo Rick Flag Sr.

Annie Chang Sophie Song

Elizabeth Faith Ludlow Keeya

Sol Rodriguez Sasha Bordeaux

Tim Meadows Langston Fleury

Rochelle Greenwood Peggy

Zak Santiago Prison Guard

Brandon Stanley Agent Kline

Kevin O'Grady Johnson

Neil Webb Cool Steve

Bzhaun Rhoden Young Man

Reinaldo Faberlle Agent Vega

David Denman Keith Smith / Captain Triumph

Quinn Bennett Young Chris

Liam Hughes Keith

Christopher Heyerdahl Captain Caspar Locke

Dorian Kingi Kyphotic Alien

Mel Tuck Auggie's Neighbor

Stephen Blackehart Charlie (Gorilla)

Richard Galinson Kyphotic Alien Puppeteer

Savannah Koningen Kyphotic Alien Puppeteer

Michael Rooker Red St. Wild

Daniel Baldock Billy

Joel Kinnaman Colonel Rick Flag Jr. (archive footage) (uncredited)

Taylor St. Clair Vigilante's Mom

Crystal Mudry Annie Sturphausen

James Gunn

Greg Mottola

Alethea Jones

Jody Hill

Peter Sollett

Rosemary Rodriguez

Brad Anderson

James Gunn