Robert Beatty as Bob Jefferson

Michael Medwin as Timothy Blake

Virginia McKenna as Shelagh

Mervyn Johns as Tom Mitchum

Arthur Macrae as Alan Digby

Gillian Lind as Jane Bond

Ursula Howells as Peggy

Louise Hampton as Miss Turner

John Charlesworth as Denis

Joseph Tomelty as Terry Roche

Lockwood West as Adams

Maire O'Neill as Mrs. Lenham

John McBride as Mick

Derek Tansley as Idiot Boy

Patrick McAlinney as O'Keefe

Denis Gilmore as Dickie

Joan Ismay as Child

David Powell as Child

Lee Simmonds as Child

Gilbert Harding as The Oracle (voice) (uncredited)