as Lt. Pol Treidum (uncredited)
as Dowie Steed
as Tewson
as Ben Thompson
as Cooper
as Dixie Hart
as Buzz
as Stanley Phillips
as Grant's Father
as Dr Dickenson
as Professor Ed Woodman
as Reg
as Lt. Pol Treidum
as Jonathan Bromley
as Errol Baumann
as Phil Buchanan
as Harry Grant
as Carl Sexton
as John Meadows
as Captain Gardiner
as Bill Hayden
