Hayley Mills
— Belle Adams
Simon Ward
— Stephen Slade
Sterling Hayden
— Malcolm Robarts
Ken Hutchison
— Jim Nicholls
Peter Jeffrey
— Belle's Uncle
Hubert Tucker
— Cafe Owner
Nina Francis
— Petrol Station Attendant
George Collis
— First Motorcycle Youth
Ralph Arliss
— Second Motorcycle Youth
Juliet Aykroyd
— Steven's Girlfriend
Roger Nott
— Motorcycle Policeman
Norman Tyrrell
— Hotel Receptionist