Tony Britton
Simon Scott
Sylvia Syms
Jean Scott
Jack Watling
Bill Thompson
Walter Fitzgerald
Sir John Dell
Geoffrey Keen
Colonel Wilson
Howard Marion-Crawford
George Bates
John Welsh
Chief Customs Officer
Ian Bannen
Junior Customs Officer
Lockwood West
Mr. Barraclough
Harry Fowler
Charlie
Frederick Piper
Careers Officer
Cyril Luckham
Magistrate
Thorley Walters
Photographer
Ernest Clark
Barrister
Fanny Rowe
Secretary
Malcolm Keen
Bristow
Arnold Bell
Green (uncredited)
Victor Brooks
2nd Reception Officer (uncredited)
Laidman Browne
Dawson (uncredited)
Jeremy Burnham
Dudley (uncredited)
Gay Cameron
Ruth (uncredited)
Glyn Houston
Police Officer in Court (uncredited)
David Hutcheson
Ex-R.A.F. Type (uncredited)
Barry Keegan
Junior Reception Officer (uncredited)
Howard Lang
Cellblock Officer (uncredited)
Richard Leech
Hawkins (uncredited)
Michael Lewin
Bit Part (uncredited)
Ralph Michael
Crowther (uncredited)
James Raglan
Prison Governor (uncredited)
Anthony Sagar
1st Reception Officer (uncredited)