Tristram Guise

Lintom Busotsky, Film Producer

Sir Derek Ridgeley ("Murder at Midnight")

Conrad

Supt. Jeff Hawks

Moncrieff Dovecraft

Richard Butler

Robert

Sir Stephen

Mr. Burton

SS-Sturmbannführer Domizlaf

Col. James Steele

Sir Robert Gunningham

Maurice Pouliard

Gen. Marsh

Arthur Baker

Major Morton

The Professor ("Fata Marta")

Michael 'Mike' Astor

Bud Forester

Bill Craddock

John Crighton

William Scott

Pietro

Olympius, Konsul von Rom

Mike Gibson

Kit Kelly

Desmond Tanner

Mark Loring

Reverend Steven Blake

Bill Fraser

Capt. David Holland

Harry Faversham

Vosper 2. Offizier

Gus Randall

Flying Officer Treherne

Bob Payton

Lt Geoffrey Ainsworth

Henry Durie

John Bartlett

Hugh Dobson

Captain Harry Wilding

Dr. Carter

Larry Stevens

Bob Payton

Roger Godfrey

John Clinton

Lieutenant Charles McHatten

Police Constable (Uncredited)

The Bellaires' footman

Adjutant

(uncredited)

Harris

Jack Harris

Bridegroom