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

H. Bruce Humberstone