Walter Pidgeon

Major Hugh "Bulldog" Drummond

Margaret Leighton

Sergeant Helen Smith

Robert Beatty

Arthur Gunns

David Tomlinson

Algernon "Algy" Longworth

Peggy Evans

Molly

Charles Victor

Inspector McIver

Bernard Lee

Colonel Webson

Patric Doonan

Alec

James Hayter

Bill

Michael Allan

Bert (uncredited)