Alec Guinness (William Horatio Ambrose)
Irene Browne (Mrs. Barrington)
Percy Herbert (Tommy)
Harold Goodwin (Duckworth)
Maurice Denham (The Mayor)
Allan Cuthbertson (Chailey)
Lionel Jeffries (Garrod)
Donald Churchill (Roy)
Lloyd Lamble (Superintendent Browning)
Charles Cullum (Major Kent)
Joan Hickson (Mrs. Kent)
Warren Mitchell (Artie White)
Miles Malleson (Erudite Angler)
Sam Kydd (Frogman)
Frederick Piper (Harry)
Harry Locke (Peters)
Richard Wattis (Registrar of Shipping)
Eric Pohlmann (Liberamanian Consul)
Newton Blick (Bank Manager)
Donald Pleasence (Teller)
Victor Maddern (Dredge Owner)
George Rose (Bullen)
Jackie Collins (June)
Junia Crawford (Evie)