Jack Hawkins

Dr. Nicholas

Donald Pleasence

Prof. R.C. Tremayne

Georgia Brown

Fay Patterson (segment "Mr. Tiger")

Donald Houston

Sam Patterson (segment "Mr. Tiger")

Russell Lewis

Paul (segment "Mr. Tiger")

David Wood

Tutor (segment "Mr. Tiger")

Suzy Kendall

Ann / Beatrice (segment "Penny Farthing")

Peter McEnery

Timothy Patrick (segment "Penny Farthing")

Neil Kennedy

1st Removal Men (segment "Penny Farthing")

Richard Connaught

2nd Removal Man (segment "Penny Farthing")

Beth Morris

Polly (segment "Penny Farthing")

Frank Forsyth

Uncle Albert (segment "Penny Farthing")

Joan Collins

Bella Thompson (segment "Mel")

Michael Jayston

Brian (segment "Mel")

Kim Novak

Auriol (segment "Luau")

Michael Petrovitch

Kimo (segment "Luau")

Mary Tamm

Ginny (segment "Luau")

Lesley Nunnerley

Vera (segment "Luau")

Leon Lissek

Keoki (segment "Luau")

Zohra Sehgal

Malia (segment "Luau")

Charles Gray

Nicholas (Clinic Link Episodes segment) (voice) (uncredited)