Tony Kent
Kenneth More
Mary Kent
Shelagh Fraser
Miss Pettigrew
Nora Nicholson
The Professor
Michael Bentine
Child at Party
Pauline Drewett
Jacqueline
Mary Laura Wood
Caroline John
Anne Kent
Mandy Miller
Peter Kent
Gary Billings
Fusty Kent
Fusty Bentine
Grampy
Ronald Squire
Aunt Maud
Olga Lindo
Mrs. Buttons
Anita Sharp-Bolster
Harry
Lionel Murton
Sue
Jan Miller
Director
Wendy Toye
Screenplay
James Matthews
Ian Dalrymple
Producer
Hugh Perceval
Cinematography
Christopher Challis
Costume Design
Bridget Sellers
Art Direction
Joseph Bato
Music
Bruce Montgomery
Novel
Alfred Toombs
Editor
Bert Rule