Ralph Richardson as Major Hugh 'Bulldog' Drummond

Ann Todd as Phyllis Drummond

Francis L. Sullivan as Carl Peterson

Claud Allister as Algy Longworth

H. Saxon-Snell as Zadowa

Spencer Trevor as Sir Bryan Johnstone

Charles Mortimer as Inspector McIver

Wallace Geoffrey as Charles Latter

Patrick Aherne as Jerry Seymour

Joyce Kennedy as Irma Peterson