George Brent as John Harman

Diana Dors as Ruby Bruce

Marguerite Chapman as Stella Tracy

Raymond Huntley as Clive Oliver

Peter Reynolds as Jeffrey Hart

Eleanor Summerfield as Vi

Meredith Edwards as Inspector Dale

Harry Fowler as Joe

Isabel Dean as May Harman

Archie Duncan as Police Constable

Conrad Phillips as Inspector Todd

Ian Wilson as Mushroom Book Customer

Harold Goodwin as Frank the Waiter

Eleanor Bryan as Mary Lewis

Nelly Arno as Miss Rosetti

Jim Brady as Vi's Date

Jack Faint as Club Manager

Courtney Hope as Customer

David Keir as Mr Quince