Hennessy is an Irishman who believes in peace, but who has had connections to the I.R.A. After his family is killed he plots revenge, setting out to assassinate Queen Elizabeth II.
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Cast of Hennessy
Rod SteigerNiall Hennessy
Lee RemickKate Brooke
Richard JohnsonInsp. Hollis / Writer
Trevor HowardComdr. Rice
Peter EganWilliams
Eric PorterTobin
Ian HoggGerry
Stanley LeborHawk
John HallamBoyle
Patrick StewartTilney
David CollingsCovey
John ShrapnelTipaldi
Hugh MoxeyStephen Burgess, MP
Margery MasonHousekeeper
Paul BrennanMaguire
Patsy KensitAngie Hennessy
Oliver MaguireMick
Elizabeth RomillyShop Assistant
Charles KayWestminster Guide
Diana FairfaxMargaret Hennessy
Peter CopleyHome Secretary
Alan BarrySgt Duggan
Graham AshleyPolice Commissioner
Isolde CazeletMrs Hanagan
Paul GregoryLieutenant
Christopher BlakeYoung Soldier
Paul BlakeRally Leader
Don SharpDirector
John GayWriter
Peter SnellProducer
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