Phil Vischer as George / Sedgewick / Willory / Sir Frederick / Mr. Hibbing / Bob the Tomato / Pirate Spy / Pirate Philippe Pea (voice)

Mike Nawrocki as Elliot / Pirate Jean Claude Pea / Theater Foe / Pirate Spy Sidekick / Pirate with Dummy / Rock Monster Father (voice)

Cam Clarke as Robert the Terrible / The King (voice)

Laura Gerow as Eloise (voice)

Yuri Lowenthal as Alexander (voice)

Alan Lee as Blind Man / One-Eyed Louie (voice)

Cydney Trent as Bernadette (Petunia) (voice)

Keri Pisapia as Ellen (voice)

Megan Murphy as Madame Blueberry (voice)

Sondra Morton Chaffin as Caroline (voice)

Jim Poole as Pirate Scooter Carrot (voice)

Tim Hodge as Jolly Joe / King's Ship Officer / Background Voices (voice)

Drake Lyle as George Jr. / Rock Monster Boy (voice)

Ally Nawrocki as Lucy / Rock Monster Girl (voice)

Patrick Kramer as Collin (voice)

Sloan Yarborough as Photographer (voice)

Joe Spadaford as Jacob Lewis / Stubb Pirate Overlord / Stubb Pirate Coward (voice)

John Wahba as Dungeon Guard / Pirate with Dummy Sidekick (voice)

Colleen Curtis as Theater Customer Woman (voice)

Brian K. Roberts as Steadfast Soldier / Theater Customer Man / Pirate Pilot (voice)

Marissa Collyer as Background Voices (voice)

Michael Fowler as Background Voices (voice) (as Michael 'C.J.' Fowler)

Kurt Heinecke as Background Voices (voice)

Paula Marcus as Background Voices (voice)

J. Chris Wall as Background Voices (voice)

Andy Youssi as Background Voices (voice) (as Andrew Youssi)