John Bentley

as The Honourable Richard Rollison

Carol Marsh

as Fay Gretton

Valentine Dyall

as Inspector Grice

Shelagh Fraser

as Myra Lorne

Roddy Hughes

as Jolly

Wally Patch

as Bert Ebbutt

Arthur Hill

as Ted Harrison

June Elvin

as Lady Anthea

Michael Golden

as Benny Kless

Peter Bull

as Lorne

Tony Britton

as Draycott

Peter Gawthorne

as Mortimer Harvey

Jill Allen

as Cabaret Singer (uncredited)

Janet Butler

as Maid (uncredited)

Cyril Conway

as 'The Wop' (uncredited)

Deidre Doyle

as Ma Kless (uncredited)

Peter Dyneley

as Lady Anthea's Husband (uncredited)

Ian Fleming

as (uncredited)

John Forbes-Robertson

as Gerald Harvey (uncredited)

Michael Hogarth

as Fingerprint Sergeant (uncredited)

Andreas Malandrinos

as Frederico (uncredited)

John Powe

as The Pug (uncredited)

Vi Stevens

as Emily Ebbutt (uncredited)

Peter Swanwick

as Night Porter (uncredited)