Richard Attenborough

Dougall

Diane Hart

Doreen

Virginia McKenna

Catherine

Mary Germaine

Gerda

Susan Stephen

Bicky

Heather Thatcher

Lady Buckering

Peter Hammond

Roly

Noel Purcell

Shaughnessy

George Thorpe

Dr. Drew

Jack Watling

Clifford Magill

Brian Worth

Wilfred

Sid James

Taxi Driver

Ambrosine Phillpotts

Nurse Pynegar

Harry Locke

Little Man

Jonathan Field

Zoo Keeper

Wensley Pithey

Policeman