John Cena

Chris Smith/Peacemaker

Danielle Brooks

Leota Adebayo

Freddie Stroma

Adrian Chase/Vigilante

Jennifer Holland

Emilia Harcourt

Steve Agee

John Economos

Frank Grillo

Rick Flag Sr.

Robert Patrick

Auggie Smith/Blue Dragon (archive footage; uncredited)

David Denman

Keith Smith/Captain Triumph

Sol Rodriguez

Sasha Bordeaux

Sean Gunn

Maxwell Lord

Nathan Fillion

Guy Gardner/Green Lantern

Isabela Merced

Kendra Saunders/Hawkgirl

James Gunn