Kenneth Connor as Bernie Bishop

Shirley Eaton as Staff Nurse Dorothy Denton

Charles Hawtrey as Humphrey Hinton

Hattie Jacques as Matron

Terence Longdon as Ted York

Bill Owen as Percy "Perc" Hickson

Leslie Phillips as Jack Bell

Joan Sims as Student Nurse Stella Dawson

Susan Stephen as Nurse Georgie Axwell

Kenneth Williams as Oliver Reckitt

Wilfrid Hyde-White as The Colonel

Susan Beaumont as Nurse Frances James

Ann Firbank as Nurse Helen Lloyd

Joan Hickson as Sister

Cyril Chamberlain as Bert Able

Harry Locke as Mick

Norman Rossington as Norm

Brian Oulton as Henry Bray

Susan Shaw as Jane Bishop

Jill Ireland as Jill Thompson

Irene Handl as Madge Hickson

Michael Medwin as Ginger

Leigh Madison as Dr. Winn

John Van Eyssen as Dr. Stephens

Marianne Stone as Alice Able

Rosalind Knight as Student Nurse Nightingale

June Whitfield as Meg

Hilda Fenemore as Rhoda Bray

Frank Forsyth as John Gray

Ed Devereaux as Alec Lawrence

Martin Boddey as Perkins

Fred Griffiths as Ambulance Man

John Mathews as Tom Mayhew

Graham Stewart as George Field

Marita Constantinou as Rose Harper

Patrick Durkin as Jackson

Anthony Sagar as Ambulance Man

Shane Cordell as Attractive Nurse

Christine Ozanne as Cleaner

Lucy Griffiths as Trolley Lady

Charles Stanley as Porter

David Williams as Andrew Newman

Bernard Bresslaw as Ted York's Feet (uncredited)

Angela Browne as Young Nurse (uncredited)

Anna Cameron as Nurse (uncredited)

Jeremy Connor as Jeremy Bishop (uncredited)

Renee Cunliffe as Nurse (uncredited)

Jack Dearlove as Outpatient (uncredited)

Raymond Glendenning as Racing Commentator (voice) (uncredited)

Fred Machon as Doctor (uncredited)

Lionel Pope as Doctor (uncredited)

Stephanie Schiller as New Nurse (uncredited)

Jimmy Scott as Porter (uncredited)

John Smart as Outpatient (uncredited)

Prunella Smith as Lady (uncredited)

Reg Thomason as Porter (uncredited)

Winnie Wiblin as Outpatient (uncredited)