Nigel Patrick as Henry Clitterbern

Charles Coburn as Uncle George Clitterbern

Wendy Hiller as Edith Clitterbern

Katie Johnson as Alice

Anthony Newley as Edward

Athene Seyler as Grannie (Victoria Clitterbern)

Noel Hood as Aunt Marjorie

Kenneth Fortescue as Albert Clitterbern

Paddy Webster as Constance Clitterbern

Michael Caine as Gilrony

Trevor Reid as Inspector

Cyril Luckham as Coroner

Johnson Bayly as Radio Officer

Martin Boddey as Police Sergeant

Kevin Stoney as Bar Steward

Anthony Shaw as Colonial Type

Ian Wilson as Postman

Jack Mandeville as Reporter at Inquest (uncredited)

Tony Castleton as Reporter at Inquest (uncredited)