James Robertson Justice as Sir Benjamin Boyd

Leslie Phillips as Mervyn Hughes

Paul Massie as Malcolm Stewart

Kenneth Williams as Harold Chesney

Liz Fraser as Miranda Kennaway

Eric Barker as Dr. Morgan Rutherford

Jennifer Jayne as Jill Clemons

Jimmy Thompson as Alex Spendlove

Sid James as Sid

Esma Cannon as Mrs. Deevens

Geoffrey Keen as Sir John

Jill Ireland as Janet

Victor Maddern as Removal Man

Lance Percival as Harry

Joan Hickson as Mrs. Bostwick

Jim Dale as Phil

Ambrosine Phillpotts as Mrs. Featherstone

David Lodge as Cabbie

Peter Byrne as 1st Horn

Brian Oulton as Concert Agent

Douglas Ives as Street Musician

Bernard Hunter as 1st Flute

Peter Howell as Prof. Lumb

George Woodbridge as Yorkshire Orchestra Leader

Cyril Chamberlain as L.A.M.A. Porter

Peter Burton as 1st Viola

Erik Chitty as Elderly Man at Concert

Henry Davies as Carpenter

Nigel Arkwright as 4th Cellist

John Antrobus as Street Musician

Tom Clegg as Street Musician

Frank Forsyth as Prof. Gerald Abrahams

Terence Holland as 1st Trombone

Oliver Johnston as Prof. Parkin

Dorinda Stevens as Doris

Michael Nightingale as Invigilator

Ian Wilson as Street Musician - Drummer

Michael Miller as Barman Mike

Wallace Bosco as Man at Concert (uncredited)

Kenneth Kove as Street Musician (uncredited)

Guy Standeven as Messiah Vocalist (uncredited)

Charles Stanley as Removal Man (uncredited)

Reg Thomason as Man in Pub (uncredited)

Bob Todd as Street Musician - Accordianist (uncredited)