Nightmare

Diana Barrymore

Leslie Stafford aka Butch

Brian Donlevy

Daniel Shane

Henry Daniell

Capt. Edgar Stafford

Eustace Wyatt

Angus

Arthur Shields

Sergeant

Gavin Muir

Lord J.B. Abbington

Stanley Logan

Inspector Robbins

Ian Wolfe

James, Abbington's butler

Hans Conried

Hans

John Abbott

Carl aka Charles

David Clyde

Jock

Elspeth Dudgeon

Angus' wife

Harold De Becker

London Cabby

Ivan F. Simpson

Money Changer

Keith Hitchcock

London Bobby