Leslie Phillips
— Dr. Gaston Grimsdyke
James Robertson Justice
— Sir Lancelot Spratt
Shirley Anne Field
— Nurse Bancroft
John Fraser
— Dr. Miles Grimsdyke
Joan Sims
— Matron Sweet
Arthur Haynes
— Tarquin Wendover
Fenella Fielding
— Miss Tatiana Rubikov
Jeremy Lloyd
— Lambert Symington
Noel Purcell
— O'Malley
Robert Hutton
— Rock Stewart
Eric Barker
— Professor Halfbeck
Terry Scott
— Robert
Norman Vaughan
— Godfrey
Elizabeth Ercy
— Jeannine Belmont
Alfie Bass
— Fleming
Jean Benedetti
— Man in French Movie
Anne Cunningham
— Women's Ward Sister
Suzan Farmer
— Nurse Holiday
Peter Gilmore
— Len
Nicky Henson
— Boutique Assistant
Robin Hunter
— Sydney
Barry Justice
— Beckwith
Bill Kerr
— Digger
Harry Fowler
— Grafton
Justine Lord
— New Matron
Roddy Maude-Roxby
— Mr. Tristram
Lionel Murton
— Publicity Man
Dandy Nichols
— Patient with Kidney Stones
Anthony Sharp
— Dr. Loftus
Ronnie Stevens
— TV Producer