Director/a
Lance Comfort
DIRECTOR/A
Reparto (por orden de créditos)
John Gregson
Detective Inspector Parnell
Alec Clunes
Anthony Chester
Robert Shaw
George Marlow
Helen Cherry
Robbie
Betty McDowall
Maggie Parnell
William Hartnell
Freddie Maddox
Harry Fowler
Smiley
Alan Wheatley
Asst. Commissioner Bewley
Kenneth Cope
Detective Sergeant Grey
Ernest Clark
Police Doctor
Noel Howlett
Brain Specialist
Renee Houston
Dorothy 'Maisie' Maddox
Piers Bishop
Jonathan Chester
Frank Hawkins
Mr. Tamplin
Ray Smith
Mr. Briggs
Christopher Ellis
Christopher Parnell
John Dunbar
Sergeant Henry
Edward Rees
Desk Sergeant
Robert Hunter
Anthony Ashdown
Constable Jackson
Alan Curtis
Inspector
Bernadette Woodman
Hospital Nurse
Maggie McCourt
Andrew Armour
Kenneth Gilbert
Norman Coburn
Desk Man
Norman Hartley
Stephen Mayling
Peter Mason
Trevor Reid
Q Detective
Neville Taylor
Bongo Player
Lesley Allen
Dancer