Richard Attenborough
— Stephen Leigh
Dorothy Alison
— Barbara Leigh
Colin Petersen
— Tod Dawson
Terence Morgan
— Mike Dawson
Jill Adams
— Julie Dawson
Maureen Delaney
— Mrs. Perryman
Margaretta Scott
— Mrs. Marjorie Blundell
David Franks
— Eddie
Geoffrey Keen
— Headmaster
Charles Lloyd Pack
— Beamish
June Cunningham
— Annette
Sam Kydd
— Shopkeeper
Victor Brooks
— Inspector Birch
Cyril Wheeler
— Constable Simpson
Kenneth Edwards
— Chairman of Juvenile Court
David Evans
— Bar Customer
Marc Sheldon
— Bar Customer
Sidney Vivian
— Drunken Reveller
Oliver MacGreevy
— Building Foreman
Roger Avon
— Constable