Telly Savalas as Herbie Haseler

Edith Evans as Lady Sophie Fitzmore

Warren Oates as Marty Miller

Cesar Romero as Nick Marco

Harry H. Corbett as Frank Finley

Nicky Henson as Lord Freddie Fitzmore

Hattie Jacques as Mabel

Vickery Turner as Annie

Arthur Mullard as Perce

Frank Thornton as Cyril

Thorley Walters as Hubbard

Jeremy Young as Tim Reilly

Leslie Dwyer as Henry

Will Leighton as Bowers

Clive Dunn as Basil

David Bauer as Jack

Ivor Dean as Bellows

David Lodge as Policeman

Joan Crane as Sally