Richard Arlen
— William 'Bill' Jones, an alias of William Foster
Beryl Mercer
— Mrs. Gubbins
Claud Allister
— Lord 'Spoofy' Brockton
Charles McNaughton
— James 'Jimmie' Gubbins
Cecilia Parker
— Ann Gordon
Dudley Digges
— Inspector Briggs
Nydia Westman
— Peggy 'Peg' Woofers
Jonathan Hale
— Detective Bolton
Lillian Kemble-Cooper
— Lady Brockton
Robert Greig
— John Ferguson, Brockton's Butler