Sonia Dresdel
— Sylvia Russell
Walter Fitzgerald
— Arthur Russell
Emrys Jones
— Terry Russell
Barbara White
— Fenella Russell
Scott Forbes
— Dr. Valentine Christie (billed as "Julian Dallas")
Cyril Raymond
— Austin Penrose
Celia Lipton
— Effie Holmes
Marjorie Rhodes
— Mrs. Holmes
Joan Hickson
— Miss Johnson
Lesley Osmond
— Sally
Kynaston Reeves
— Dr. Morrison
Gus McNaughton
— Veterinarian