Characters played by Rod Steiger
Niall Hennessy
Characters played by Lee Remick
Kate Brooke
Characters played by Richard Johnson
Insp. Hollis
Characters played by Trevor Howard
Comdr. Rice
Characters played by Peter Egan
Williams
Characters played by Eric Porter
Sean Tobin
Characters played by Ian Hogg
Gerry
Characters played by Stanley Lebor
Hawk
Characters played by John Hallam
Boyle
Characters played by Patrick Stewart
Tilney
Characters played by David Collings
Covey
Characters played by John Shrapnel
Tipaldi
Characters played by Hugh Moxey
Stephen Burgess M.P.
Characters played by Margery Mason
Housekeeper
Characters played by Paul Brennan
Maguire
Characters played by Oliver Maguire
Mick
Characters played by Elizabeth Romilly
Shop Assistant
Characters played by Paul Blake
Rally Leader
Characters played by Charles Kay
Westminster Guide
Characters played by Alan Barry
Sgt. Duggan
Characters played by Peter Copley
Home Secretary
Characters played by Graham Ashley
Police Commissioner
Characters played by Isolde Cazelet
Mrs. Hanagan
Characters played by Diana Fairfax
Maureen Hennessy
Characters played by Patsy Kensit
Angie Hennessy
Characters played by Christopher Blake
Young Soldier
Characters played by Paul Gregory
Lieutenant
Characters played by Edward Heath
Self
Characters played by Margaret Thatcher
Self
Characters played by Lewis Alexander
Home Office Committee Member
Characters played by Victor Harrington
MP Photo in Commons Guide Book
Characters played by Al Lampert
Police Detective
Characters played by Fred Machon
M.P.
Characters played by Queen Elizabeth II
Self
Characters played by Guy Standeven
Home Office Committee Member
Characters played by Reg Thomason
M.P.
Characters played by John Wilder
M.P.
Characters played by Fred Wood
McGinn - IRA terrorist