Stanley Baker
Role: Detective Sergeant Jack Truman
Anne Heywood
Role: Cathie Murphy
David McCallum
Role: Johnnie Murphy
Peter Cushing
Role: Father Laidlaw
John Slater
Role: Sgt. Walker
Clifford Evans
Role: Headmaster Evans
Moultrie Kelsall
Role: Superintendent
George A. Cooper
Role: Chief Inspector
Brona Boland
Role: Mary Murphy
Fergal Boland
Role: Patrick Murphy
Michael Chow
Role: Alexander
Sheila Raynor
Role: Mrs. Catlin
Christopher Cooke
Role: David Catlin
Irene Arnold
Role: Mrs. Baker
Oonagh Quinn
Role: Jilly Baker
Ali Allen
Role: Boy (uncredited)
Grace Arnold
Role: Customer in Grocer's Shop (uncredited)
John Boxer
Role: Police Sergeant (uncredited)
Jeremy Bulloch
Role: Pageboy at Hotel (uncredited)
John Bush
Role: (uncredited)
Michael Collins
Role: Police Officer in Patrol Car (uncredited)
Keith Crane
Role: William (uncredited)
Gerrard Gibson
Role: (uncredited)
Victoria Harrington
Role: Child (uncredited)
Melvyn Hayes
Role: Kid in Johnnie's Gang (uncredited)
Lindsay Hooper
Role: Police Sergeant (uncredited)
Robert Howell
Role: (uncredited)
Anthony John
Role: Child (uncredited)
Stratford Johns
Role: Police Constable (uncredited)
Billy Lawrence
Role: (uncredited)
Phyllis Morris
Role: (uncredited)
Robert Raglan
Role: Doorman at Grand Hotel (uncredited)
Philip Ray
Role: Stallholder (uncredited)
Anthony Richmond
Role: (uncredited)
Lynne Roberts
Role: Maureen Owen
Delene Scott
Role: (uncredited)
Cyril Shaps
Role: Hairdresser (uncredited)
Jack Sharp
Role: Mechanic (uncredited)
Leonard Sharp
Role: Spectator at Fire (uncredited)
Leslie Slysz
Role: (uncredited)
James Sutherland
Role: (uncredited)
Gareth Tandy
Role: (uncredited)
John Tatham
Role: Police Sergeant (uncredited)
Anne Tirard
Role: (uncredited)
Dervis Ward
Role: Constable (uncredited)
Kathleen Williams
Role: (uncredited)
Lynn Williams
Role: (uncredited)