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