Frankie Howerd as Mr. Francis Bigger

Sid James as Mr. Charlie Roper

Charles Hawtrey as Mr. Barron

Kenneth Williams as Dr. Kenneth Tinkle

Jim Dale as Dr. Jim Kilmore

Barbara Windsor as Trainee Nurse Sandra May

Joan Sims as Chloe Gibson

Bernard Bresslaw as Mr. Ken Biddle

Hattie Jacques as Lavinia, the Matron

Anita Harris as Nurse Clarke

Peter Butterworth as Mr. Smith

June Jago as Sister Hoggett

Derek Francis as Sir Edmund Burke

Dandy Nichols as Mrs. Roper

Peter Jones as Chaplain

Deryck Guyler as Mr. Hardcastle

Gwendolyn Watts as Mrs. Barron

Dilys Laye as Mavis Winkle

Peter Gilmore as Henry

Harry Locke as Sam

Marianne Stone as Mother

Jean St. Clair as Mrs. Smith

Valerie Van Ost as Nurse Parkin

Julian Orchard as Fred

Brian Wilde as Man from Cox & Carter

Lucy Griffiths as Miss Morris

Gertan Klauber as Wash Orderly

Julian Holloway as Simmons

Jennifer White as Nurse in Bath

Helen Ford as Nurse

Gordon Rollings as Night Porter

Patrick Allen as Narrator (voice) (uncredited)

Bart Allison as Granddad (uncredited)

Frances Baker as Woman in Audience (uncredited)

Simon Cain as Tea Orderly (uncredited)

Valerie Cockx as Patient (uncredited)

Pat Coombs as Anxious Patient (uncredited)

Alexandra Dane as Antenatal Instructor (uncredited)

Hugh Elton as Visitor (uncredited)

Ernest Fennemore as Junior Doctor (uncredited)

Eden Fox as Outpatient (uncredited)

Stephen Garlick as Boy (uncredited)

Jill Goldston as Nurse (uncredited)

Pat Hagan as Patient (uncredited)

Walter Henry as Visitor (uncredited)

Penelope Keith as Plain Nurse (uncredited)

Roy Lansford as Visitor (uncredited)

Jay McGrath as Visitor (uncredited)

Cheryl Molineaux as Women's Ward Nurse (uncredited)

Jane Murdoch as Nurse (uncredited)

Edith Raye as Visitor (uncredited)

Jack Ross as Visitor (uncredited)

Johnny Rossi as Patient (uncredited)

Peggy Scott Sanders as Woman in Audience (uncredited)

Robin Scott as Patient (uncredited)

George Spence as Patient (uncredited)

Guy Standeven as Orderly (uncredited)

Philip Stewart as Man in Audience (uncredited)

Laura Thurlow as Nurse (uncredited)

James Ure as Man in Crowd (uncredited)

Leslie Weeks as Porter (uncredited)