Bill (uncredited)

Corporal (uncredited)

Mark Phillips

George

Captain Troubridge

Jerry

Mr. Koberly

Campbell - Mountie at Post (uncredited)

Jim Osborne

Breeze Nolan

Joe - Henchman

Pilot (uncredited)

Gangster (uncredited)

MacRae

Submarine commander

Radio Announcer

Hotel Clerk

Sam Elkins

Peter Stegman

Squadron Leader (uncredited)

Second Partner

Drake

London Policeman

Sven - Whaler Crewman

(uncredited)

Miller

Sub Capt. Jackson [Chs. 7, 9]

London Policeman

Dick Wilson

R.A.F. Pilot

Constable Whiteside

Captain

Manning (uncredited)

Hotel Clerk (uncredited)

Detective (Uncredited)

Nurse (uncredited)