Richard O'Sullivan

as Robin Tripp

Paula Wilcox

as Chrissy Plummer

Sally Thomsett

as Jo

Brian Murphy

as George Roper

Yootha Joyce

as Mildred Roper

Peter Cellier

as Morris Pluthero

Doug Fisher

as Larry Simmons

Jack Smethurst

as Himself

Rudolph Walker

as Himself

Arthur Lowe

as Spiros

Bill Maynard

as Chef

Spike Milligan

as Himself

Aimi MacDonald

as Hazel Lovett

Patrick Newell

as Sir Edmund Weir

Bill Grundy

as Himself

Michael Robbins

as Doorman

Norman Mitchell

as Arthur Mulgrove

Michael Ward

as Mr. Gideon

Andrea Lawrence

as Miss Amelia Bird

Julian Orchard

as Producer

Aubrey Morris

as Lecturer

Bill Pertwee

as Postman

Johnny Briggs

as Milkman

Melvyn Hayes

as Nigel

Berry Cornish

as P.A.

Bill Sawyer

as Jenkins

Mark Rogers

as Boy Scout

Pauline Peart

as Secretary

Arthur Hewlett

as Elderly Man

Annie Leake

as Tweedy Lady

Corinne Skinner-Carter

as Housewife

Robert Dorning

as Colonel Manners (uncredited)

Alan Gibbs

as Pub Patron (uncredited)

Alan Harris

as Man in Studio Bar (uncredited)

Damaris Hayman

as Old Lady (uncredited)

Terry Sartain

as Man in Studio Bar (uncredited)

June West

as Lady at Meeting (uncredited)