Meet Mr. Malcolm

Mrs. Durant

Louie Knowles

Colin Knowles

Supt. Simmons

Whistler Grant

Sergeant Bassett

Carrington-Phelps

Tony Barlow

Mrs. O'Connor

Andrea Durant

Gwen - The Housekeeper

Joe Tutt

Joe - Cloakroom Attendant (uncredited)

Police Constable (uncredited)