Mister Ten Per Cent

Charlie Drake

Percy Pointer

Derek Nimmo

Tony

Wanda Ventham

Kathy

John Le Mesurier

Jocelyn Macauley

Anthony Nicholls

Casey

Noel Dyson

Mrs. Gorman

John Hewer

Townsend

Anthony Gardner

Claude Crepe

Ronald Radd

Publicity Man

John Laurie

Scotsman

Colin Douglas

Policeman

Annette Andre

Muriel

Justine Lord

Lady Dorothea

George Baker

Lord Edward

Joyce Blair

Lady Dorothea - At First

Una Stubbs

Lady Dorothea - Later

Lyn Ashley

Maid

Nicole Shelby

Fiona

Gina Warwick

Ellen

Percy Herbert

Inspector Greet

Norman Hudis

Screenplay

Peter Graham Scott

Director

Lew Schwarz

Writer

W.A. Whittaker

Producer

Terry Knight

Art Direction

Jack Holden

Set Decoration, Set Dresser