He has appeared frequently in British films such as Carrington (1995), Emma (1996), The Winslow Boy (1999), An Ideal Husband (1999), Enigma (2001) and as Welsh actor and singer Ivor Novello in Gosford Park (2001). He made his American film debut in The Net (1995).
His audiobook work includes The Silver Chair by C.S. Lewis for Harper Audio and A Death Divided by Clare Francis for Macmillan. For SilkSoundBooks, he recorded The Real Thing and Other Short Stories and The Aspern Papers, both written by Henry James. In 2007 he recorded Gerard Manley Hopkins poems for "The Great Poets" edition for Naxos Audiobooks. In 2009, he recorded Our Man in Havana by Graham Greene for CSA Word. He recorded the audio book Dark Matter, a ghost story by Michelle Paver, in September 2010; it was released on 21 October 2010, by Orion.
In the Gosford Parksoundtrack, Northam sings the Ivor Novello songs "And Her Mother Came Too", "What a Duke Should Be", "Why Isn't It You", "I Can Give You the Starlight" and "The Land of Might Have Been" accompanied by his brother Christopher on piano.
Theatre
Edward Voysey, The Voysey Inheritance, National Theatre Company, Cottesloe Theatre, London, 1989
Also appeared in productions of School for Scandal and The Shaughraun, National Theatre Company.
Osric, then later title role, Hamlet, National Theatre Company, Olivier Theatre, London, 1989
Richard Greatham, Hay Fever, Noël Coward Theatre, London, 2012
Filmography
Actor
2019
Official Secrets as
Ken Macdonald
2016
The Crown (TV Series) as
Anthony Eden
- Lisbon (2017) - Anthony Eden
- A Company of Men (2017) - Anthony Eden
- Misadventure (2017) - Anthony Eden
- Assassins (2016) - Anthony Eden
- Scientia Potentia Est (2016) - Anthony Eden
- Smoke and Mirrors (2016) - Anthony Eden
- Windsor (2016) - Anthony Eden
- Act of God (2016) - Anthony Eden
- Hyde Park Corner (2016) - Anthony Eden
- Gloriana (2016) - Anthony Eden
- Wolferton Splash (2016) - Anthony Eden
2016
Our Kind of Traitor as
Aubrey Longrigg
2015
The Man Who Knew Infinity as
Bertrand Russell
2015
Eye in the Sky as
Brian Woodale
2014
New Worlds (TV Mini Series) as
Charles II
- Episode #1.4 (2014) - Charles II
- Episode #1.3 (2014) - Charles II
- Episode #1.2 (2014) - Charles II
- Episode #1.1 (2014) - Charles II
2012
White Heat (TV Mini Series) as
Edward
- The Sea of Trees (2012) - Edward
- The Eye of the Needle (2012) - Edward
- The Personal is Political (2012) - Edward
- The Dark Side of the Moon (2012) - Edward
- Eve of Destruction (2012) - Edward
- The Past Is a Foreign Country (2012) - Edward
2010
Miami Medical (TV Series) as
Dr. Matthew Proctor
- Medicine Man (2010) - Dr. Matthew Proctor
- Down to the Bone (2010) - Dr. Matthew Proctor
- Time of Death (2010) - Dr. Matthew Proctor
- Diver Down (2010) - Dr. Matthew Proctor
- Like a Hurricane (2010) - Dr. Matthew Proctor
- An Arm and a Leg (2010) - Dr. Matthew Proctor
- Man on the Road (2010) - Dr. Matthew Proctor
- Calle Cubana (2010) - Dr. Matthew Proctor
- Golden Hour (2010) - Dr. Matthew Proctor
- All Fall Down (2010) - Dr. Matthew Proctor
- What Lies Beneath (2010) - Dr. Matthew Proctor
- 88 Seconds (2010) - Dr. Matthew Proctor
- Pilot (2010) - Dr. Matthew Proctor
2009
Glorious 39 as
Balcombe
2009
Creation as
Reverend Innes
2008
Dean Spanley as
Fisk Junior
2008
Fiona's Story (TV Movie) as
Simon
2007
The Tudors (TV Series) as
Sir Thomas More
- His Majesty's Pleasure (2008) - Sir Thomas More
- The Act of Succession (2008) - Sir Thomas More
- Checkmate (2008) - Sir Thomas More
- Tears of Blood (2008) - Sir Thomas More
- Everything Is Beautiful (2008) - Sir Thomas More
- The Death of Wolsey (2007) - Sir Thomas More
- Look to God First (2007) - Sir Thomas More
- Truth and Justice (2007) - Sir Thomas More
- Message to the Emperor (2007) - Sir Thomas More
- True Love (2007) - Sir Thomas More
- Arise, My Lord (2007) - Sir Thomas More
- His Majesty, the King (2007) - Sir Thomas More
- Wolsey, Wolsey, Wolsey! (2007) - Sir Thomas More
- Simply Henry (2007) - Sir Thomas More
- In Cold Blood (2007) - Sir Thomas More
2007
The Invasion as
Tucker Kaufman
2006
The Payback as
Vladimir
2005
Tristram Shandy as
Mark
2005
Guy X as
Col. Woolwrap
2004
American Masters (TV Series documentary) as
Cary Grant
- Cary Grant: A Class Apart (2004) - Cary Grant (voice)
2004
Bobby Jones: Stroke of Genius as
Walter Hagen
2003
The Statement as
Colonel Roux
2003
The Singing Detective as
Mark Binney
2002
Gosford Park: Deleted Scenes (Video short) as
Ivor Novello
2002
Martin and Lewis (TV Movie) as
Dean Martin
2002
Possession as
Randolph Henry Ash
2002
Cypher as
Morgan Sullivan
2001
Gosford Park as
Ivor Novello
2001
Enigma as
Wigram
2000
The Golden Bowl as
Prince Amerigo
1999
The Winslow Boy as
Sir Robert Morton
1999
An Ideal Husband as
Sir Robert
1999
Happy, Texas as
Harry
1999
Gloria as
Kevin
1998
The Misadventures of Margaret as
Edward Nathan
1998
The Tribe as
Jamie
1997
Amistad as
Judge Coglin
1997
Mimic as
Dr. Peter Mann
1996
Emma as
Mr Knightley
1995
Voices as
Philip Heseltine / Peter Warlock
1995
The Net as
Jack Devlin
1995
Carrington as
Beacus Penrose
1995
A Village Affair (TV Movie) as
Anthony Jordan
1993
Poirot (TV Series) as
Hugo Trent
- Dead Man's Mirror (1993) - Hugo Trent
1992
Wuthering Heights as
Hindley Earnshaw
1992
Soft Top Hard Shoulder as
John
1992
A Fatal Inversion (TV Mini Series) as
Rufus
- Episode #1.3 (1992) - Rufus
- Episode #1.2 (1992) - Rufus
- Episode #1.1 (1992) - Rufus
1992
House of Glass (TV Movie) as
Gerald Stafford
1988
Wish Me Luck (TV Series) as
Colin Beale
1988
Journey's End (TV Movie) as
Captain Stanhope
1988
Piece of Cake (TV Mini Series) as
'Fitz' Fitzgerald
- August 1940 (1988) - 'Fitz' Fitzgerald
- May 1940 (1988) - 'Fitz' Fitzgerald
- March 1940 (1988) - 'Fitz' Fitzgerald
- December 1939 (1988) - 'Fitz' Fitzgerald
- October 1939 (1988) - 'Fitz' Fitzgerald
- September 1939 (1988) - 'Fitz' Fitzgerald
1987
American Playhouse (TV Series) as
Mr. Benson
- Suspicion (1987) - Mr. Benson
Soundtrack
2009
Creation (performer: "All Things Bright and Beautiful" - uncredited)
2002
Martin and Lewis (TV Movie) (performer: "That's Amore" - uncredited)
2001
Gosford Park (performer: "Nuts in May", "The Land of Might-Have-Been", "And Her Mother Came Too", "I Can Give You the Starlight", "What a Duke Should Be?", "Why Isn't It You", "Keep the Home Fires Burning" (1915))
1995
The Net (performer: "Moon River")
Self
2010
Entertainment Tonight (TV Series) as
Self
- Episode dated 2 April 2010 (2010) - Self
2010
On the Edge of War: Uncovering 'Glorious 39' (Video short) as
Self
2008
Breakfast (TV Series) as
Self
- Episode dated 17 October 2008 (2008) - Self
2008
We've Been Snatched Before (Video documentary short) as
Self
2003
Enigma: Bletchley Park and Enigma (Video documentary short) as
Self
2003
Enigma: Putting It All Together (Video documentary short) as
Self
2002
The Making of Gosford Park (TV Short documentary) as
Self
1996
Late Night with Conan O'Brien (TV Series) as
Self - Guest
- Kevin Pollak/Jeremy Northam/Jim Gaffigan (2002) - Self - Guest
- Brian Williams/Jeremy Northam/Michael James II (1997) - Self - Guest
- Kevin Pollak/Jeremy Northam/A Tribe Called Quest (1996) - Self - Guest
2002
Behind the Scenes of 'Possession' (TV Movie documentary) as
Self
2002
Enigma: About 'Enigma' - The Movie (Video documentary short) as
Self
2002
Enigma: Cast and Crew Interviews (Video documentary short) as
Self
2002
8th Annual Screen Actors Guild Awards (TV Special) as
Self - Winner
2002
A Salute to Robert Altman, an American Maverick (TV Movie) as