Norman Wisdom
— Norman Pitkin
Edward Chapman
— Mr. Grimsdale
Jeanette Sterke
— Nurse Janet Haskell
Jerry Desmonde
— Sir Hector
Jill Melford
— Lady Brinkley
Glyn Houston
— Corporal Welsh
Hazel Hughes
— Matron
Patsy Rowlands
— Amy
Peter Jones
— Captain Russell
Ernest Clark
— Professor Crankshaw
Lucy Appleby
— Lindy Walker
Vera Day
— Betty
Frank Williams
— Driver Nutall
Penny Morrell
— Nurse Rudkin
Patrick Cargill
— Dr. Meadows
Francis Matthews
— Benson
John Blythe
— Dale
Pamela Conway
— Patient
Danny Green
— Ticehurst
Johnny Briggs
— Armed Robber
John Adams
— Sunshine Ball Guest (uncredited)
Chris Adcock
— Parent (uncredited)
Michael Balfour
— Workman with Mallet (uncredited)
Alan Beaton
— Parent (uncredited)
Arnold Bell
— Doctor (uncredited)
Graham Bell
— Medical Student (uncredited)
Ernest Blyth
— Sunshine Ball Guest (uncredited)
Wallace Bosco
— Patient (uncredited)
Ronnie Brody
— Small Band Member (uncredited)
Jill Carson
— Nurse with Bouquet (uncredited)