Characters played by Leslie Phillips
Dr. Gaston Grimsdyke
Characters played by James Robertson Justice
Sir Lancelot Spratt
Characters played by Shirley Anne Field
Nurse Bancroft
Characters played by John Fraser
Dr. Miles Grimsdyke
Characters played by Joan Sims
Matron Sweet
Characters played by Arthur Haynes
Tarquin Wendover
Characters played by Fenella Fielding
Tatiana Rubikov
Characters played by Jeremy Lloyd
Lambert Symington
Characters played by Noel Purcell
O'Malley
Characters played by Robert Hutton
Rock Stewart
Characters played by Eric Barker
Prof. Halfbeck
Characters played by Terry Scott
Robert the hairdresser
Characters played by Norman Vaughan
TV Commentator
Characters played by Elizabeth Ercy
Jeannine Belmond
Characters played by Alfie Bass
Fleming