Defence of the Realm Cast
The cast of Defence of the Realm including popularity data. Data for March 27, 2025.
Gabriel Byrne
as Nicholas 'Nick' Mullen

Gabriel Byrne plays Nicholas 'Nick' Mullen, a key character in the political thriller.

#3
Most popular actor on Defence of the Realm
1,824 Wikipedia views yesterday
Greta Scacchi
as Nina Beckman

Greta Scacchi portrays Nina Beckman in Defence of the Realm.

#2
Most popular actor on Defence of the Realm
3,698 Wikipedia views yesterday
Denholm Elliott
as Vernon Bayliss

Denholm Elliott takes on the role of Vernon Bayliss in the film.

Ian Bannen
as Dennis Markham

Ian Bannen plays Dennis Markham in Defence of the Realm.

Fulton Mackay
as Victor Kingsbrook

Fulton Mackay portrays Victor Kingsbrook in the movie.

Bill Paterson
as Jack Macleod

Bill Paterson plays Jack Macleod in Defence of the Realm.

David Calder
as Harry Champion

David Calder portrays Harry Champion in the film.

Frederick Treves
as Arnold Reece

Frederick Treves takes on the role of Arnold Reece in the political thriller.

Robbie Coltrane
as Leo McAskey

Robbie Coltrane plays Leo McAskey in the movie Defence of the Realm.

#1
Most popular actor on Defence of the Realm
4,508 Wikipedia views yesterday
Steven Woodcock
as Steven Dyce

Steven Woodcock portrays Steven Dyce in the film.

Graham Fletcher-Cook
as Mickey Parker

Graham Fletcher-Cook plays Mickey Parker in Defence of the Realm.

Annabel Leventon
as Trudy Markham

Annabel Leventon portrays Trudy Markham in the political thriller.

#8
Most popular actor on Defence of the Realm
22 Wikipedia views yesterday
Alexei Jawdokimov
as Dietrich Kleist
Danny Webb
as Danny Royce
Prentis Hancock
as Frank Longman
#6
Most popular actor on Defence of the Realm
62 Wikipedia views yesterday
Michael Johnson
as Humphrey Channing
Mark Tandy
as Philip Henderson
Nicholas Coppin
as 1st Newsroom Deputy
Veronica Duffy
as 2nd Newsroom Deputy
David Hatton
as Picture Editor
Laurance Rudic
as Charlie
Philip Whitchurch
as Cuttings Librarian
#7
Most popular actor on Defence of the Realm
50 Wikipedia views yesterday
Beverly Anderson
as Newscaster
David Lyon
as Political Pundit
Pip Miller
as Police Sergeant Ross
David Halliwell
as Remand Centre Screw
John Rees
as Minister at Funeral
Ravinder Singh Reyett
as Club Doorman
Noel Johnson
as Club Member
Hubert Rees
as Club Waiter
Oliver Ford Davies
as Anthony Clegg
#5
Most popular actor on Defence of the Realm
225 Wikipedia views yesterday
George Ellis Jones
as DCS Catterick
James Fleet
as Ministry Man
#4
Most popular actor on Defence of the Realm
549 Wikipedia views yesterday
Vass Anderson
as Strick
Lyndon Brook
as Pugh
William Job
as Hilton
Al Matthews
as First US Controller
Daniel Foley
as Second US Controller
Barbara Coles
as Third US Controller
John Cannon
as Greenmont Detention Centre Officer
For the best insights and data about Defence of the Realm, visit our main Defence of the Realm page.