Taxonomy - Character - Occupation - Astronaut

Steve Railsback as Col. Tom Carlsen

Diedrich Bader as H.A.M. (voice)

Phil Vischer as Buck Denver

Ricardo Sawaya as Watanabe

Billy Barratt as Dylan

Joseph Ramirez as Joseph, Jerermiah 'Jeremy', Basher, Lyndon, Astronaut, Donny

Feyza Çipa as Gözde Kuş

Malcolm McDowell as Sly Baron (voice)

Mathilda May as Space Girl

Fred Tatasciore as Hudson Baron (voice)

Haki Biçici as Necati Durmaz

Frank Welker as Scooby-Doo (voice)

Kim Tae-ri as Nan-young