Sid James as Gladstone Screwer

Kenneth Williams as Dr. Frederick Carver

Charles Hawtrey as Dr. Ernest Stoppidge

Jim Dale as Dr. Jimmy Nookey

Joan Sims as Mrs. Ellen Moore

Barbara Windsor as Goldie Locks

Hattie Jacques as Miss Soaper, the Matron

Patsy Rowlands as Miss Fosdick

Peter Butterworth as Shuffling Patient

Elizabeth Knight as Nurse Willing

Alexandra Dane as Stout Woman

Peter Gilmore as Henry

Pat Coombs as New Matron

Patricia Hayes as Mrs. Beasley

William Mervyn as Lord Paragon

Lucy Griffiths as Old Lady in Headphones

Harry Locke as Porter

Gwendolyn Watts as Night Sister

Valerie Leon as Deirdre Filkington-Battermore

Frank Singuineau as Native Porter

Valerie Van Ost as Out-Patients Sister

Billy Cornelius as Patient in Plaster

Simon Cain as X-Ray Man

Elspeth March as Hospital Board Member

Valerie Shute as Nurse

Ann Lancaster as Miss Armitage

Lewis Alexander as Man Dancing at Party (uncredited)

Jack Arrow as Outpatient (uncredited)

Richard Atherton as Man at Dance (uncredited)

Frances Baker as Fat Lady (uncredited)

Donald Bisset as Patient (uncredited)

Eunice Black as Fat Lady (uncredited)

Wilfrid Brambell as Mr. Pullen (uncredited)

Fay Bura as Fat Lady (uncredited)

Shakira Caine as Scrubba (uncredited)

Jenny Counsell as Night Nurse (uncredited)

Jill Damas as Night Nurse (uncredited)

Claire Davenport as Wedding Guest (uncredited)

Heather Emmanuel as Plump Native Girl (uncredited)

Mabel Etherington as Lady at Dance (uncredited)

Rupert Evans as Orderly (uncredited)

Lee Fenton as Man at Dance (uncredited)

Frank Forsyth as Mr. Bean (uncredited)

Eden Fox as Party Guest (uncredited)

Hugh Futcher as Taxi Driver (uncredited)

Jill Goldston as Nurse (uncredited)

Alan Harris as Man at Dance (uncredited)

George Holdcroft as Waiter (uncredited)

Faith Kent as Matron (uncredited)

Anthony Lang as Sick-Looking Man (uncredited)

Aileen Lewis as Lady Dancing at Party (uncredited)

Louis Matto as Waiter (uncredited)

Mary Maxfield as Lady at Dance (uncredited)

Rosalind Mendleson as Outpatient (uncredited)

Harry Phipps as Outpatient (uncredited)

George Roderick as Waiter (uncredited)

Eric Rogers as Bandleader (uncredited)

Georgina Simpson as Nurse (uncredited)

Bryan Sotiris as Man at Dance (uncredited)

Emile Stemmler as Waiter (uncredited)

Yutte Stensgaard as Trolley Nurse (uncredited)

Michael Stevens as Orderly (uncredited)

Bob Todd as Patient on Breathing Apparatus (uncredited)

Johnnie Wade as Chauffeur (uncredited)

Pearl Walters as Lady at Dance (uncredited)

Eric Wetherell as Man at Dance (uncredited)