Reparto y equipo

Sidney Lumet

John Hopkins

Sean Connery Detective Sergeant Johnson

Trevor Howard Lieutenant Cartwright, Detective Superintendant

Vivien Merchant Maureen Johnson

Ian Bannen Kenneth Baxter

Peter Bowles Detective Inspector Cameron

Derek Newark Frank Jessard

Ronald Radd Lawson

John Hallam Panton

Anthony Sagar Hill

Maxine Gordon Janie

Hilda Fenemore Woman on Common

Cynthia Lund Child at School

Howard Goorney Lambert

Brian Grellis Policeman

Michael Redfern Policeman

Denis O'Dell

Harrison Birtwistle

Gerry Fisher

John Victor-Smith