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)