Plunkett

Capt. Arthur Rostron

Brigadier

General Paterson

Sir Millington Drake, British Minister, Montevideo

Ambassador Baring

Aldridge

King Arthur

General Whiting

Major Guy Ashley

Commentator (voice)

Maj. Elliott

Clive Bedford

Dr. Kaneslaey

Baron Hugo Traun

Col. Strang

Bit Part (uncredited)

(uncredited)

Pilot

John Doyce

Andrei Bulba

Sir Andrew Foulkes

Bob Carter

Roddy Hammond

Det. Insp. Forsythe

Flag Lt. Steve Langham

Sir Andrew Ffoulkes

Rex Farringdon

Tony Fields

Toby Griffiths

Peter Bradley

Otto

Ralph Morlant

Lt. Ronald Jamieson

Lt. Valentine

Bart

Gerald Varrick

Philip Whitney

Larry Pemberton

Dobbin

Lt. Iwan Petrovitch

Arthur Raymond

Phillip Weeks

Tom Ingleside

Leslie Darrow

Himself

Freddie Granton

Capt. Arthur Chamberlain

Bobby

Hibbert

Brooks - the Butler

Lord Charles Deeford