Charlie Drake as Percy Pointer

Derek Nimmo as Tony

Wanda Ventham as Kathy

John Le Mesurier as Jocelyn Macauley

Anthony Nicholls as Casey

Noel Dyson as Mrs. Gorman

John Hewer as Townsend

Anthony Gardner as Claude Crepe

Ronald Radd as Publicity Man

John Laurie as Scotsman

Colin Douglas as Policeman

Annette Andre as Muriel

Justine Lord as Lady Dorothea

George Baker as Lord Edward

Joyce Blair as Lady Dorothea - At First

Una Stubbs as Lady Dorothea - Later

Lyn Ashley as Maid

Nicole Shelby as Fiona

Gina Warwick as Ellen

Percy Herbert as Inspector Greet

Desmond Roberts as Manservant

Pauline Chamberlain as Woman in Theatre Audience (uncredited)

Carol Cleveland as Girl at Theatre Party (uncredited)

Sally Douglas as Glamorous Girl at Theatre Party (uncredited)

Barbara French as Girl at Theatre Party (uncredited)

Caron Gardner as Girl at Theatre Party (uncredited)

Victor Harrington as Theatre Audience (uncredited)

Juba Kennerley as Theatre Audience (uncredited)

Valerie Leon as Girl at Theatre Party (uncredited)

Harry Locke as (uncredited)

Mike Reid as Doorman (uncredited)

Philip Stewart as Theatre Audience (uncredited)

John Tatham as Theatre Audience (uncredited)

Valerie Van Ost as Girl at Theatre Party (uncredited)

Fred Wood as Audience Member (uncredited)

Roy Beck as Theatre Goer (uncredited)