Third Officer Charles Groves
Jason (voice) (uncredited)
Flight Lieutenant J. F. Leggo, D.F.C.
Officer (line of men in sea) (uncredited)
Artist (uncredited)
Rupert
Crewman (uncredited)
British Sergeant
Dr. Kenneth McColl
Frank Mason
1st Reporter
Commentator
Dutch Lieutenant
Tommy Dykes
Peter
Alvarez - racer
Self - Commentator
Narrator
Lieutenant John Wynham
Dr. Peter Brady / Invisible Man (voice) (uncredited)
David Ross
Função desconhecida
