Jack Hulbert
— Jack Pennington
Fay Wray
— Ann Manders
Ralph Richardson
— Morelle
Claude Hulbert
— Algy Longworth
Gibb McLaughlin
— Denny
Atholl Fleming
— Bulldog Drummond
Paul Graetz
— Salvini
Harvey Braban
— Sgt. Robinson
Henry B. Longhurst
— Melvor
Cyril Smith
— Duke
Matthew Boulton
— Police Constable (uncredited)