(2001) Gosford Park

as Freddie Nesbitt

(1987) Maurice

as Maurice Hall

(2022) Masquerade

as Thomas

(2007) It's Gradiva Who Is Calling You

as John Locke

(2004) De-Lovely

as Edward Thomas

(1991) Tell Me That You Love Me

as Michael Evans

(1999) Cotton Mary

as John MacIntosh

(1988) A Summer Story

as Frank Ashton

(2008) A Risk Worth Taking

as Patrick Trenchard

(2019) E. M. Forster: His Longest Journey

as Narrator

(1985) A Room with a View

as Party Guest (uncredited)

(1999) An Ideal Husband

as Sir Robert Chiltern

(1999) The Dark Room

as Dr Alan Protheroe

(2024) Merchant Ivory

as Self

(2024) Vindication Swim

as Mr. Havers

(2002) George Eliot: A Scandalous Life

as Herbert Spencer

(1992) Adam Bede

as Arthur Donnithorne

(2012) Best Possible Taste: The Kenny Everett Story

as Wilfred De'Ath

(2013) Vincent

as The Man

(2024) The Ministry of Ungentlemanly Warfare

as Viscount Algernon

(2016) Churchill's Secret

as Brendan Bracken

(1997) Regeneration

as 2nd Lt. Siegfried Sassoon

(2002) Bertie and Elizabeth

as King George VI, aka 'Bertie'

(1988) A Handful of Dust

as Tony Last

(2009) Shadows in the Sun

as Robert

(1985) Dutch Girls

as Dundine

(2001) Jump Tomorrow

as Nathan

(2008) Lady Godiva

as Earl of Mercia, Leofric

(1994) The Chess Game

as Lord Staunton

(2007) Clapham Junction

as Julian Rowan

(1985) Dreamchild

as Baker

(2016) ChickLit

as Geoffrey

(2007) The Last Days of the Raj

as Lord Mountbatten

(2003) Sparkling Cyanide

as Stephen Farraday

(1992) Howards End

as Charles Wilcox

(1999) Tom's Midnight Garden

as Uncle Alan Kitson

(1992) Immaculate Conception

as Alistair

(2017) The Sense of an Ending

as David Ford

(1982) Privileged

as Jamie

(1997) The Woman In White

as Sir Percival Glyde

(1991) The Siege of Venice

as ---

(1996) Witness Against Hitler

as Helmuth James von Moltke

(2019) Salt

as Conrad

(1996) The Treasure Seekers

as Henry Carlisle

(2021) The Duke

as Judge Aarvold

(2002) The Making of 'Gosford Park'

as Self (uncredited)

Mystery at the Prospect Hotel

as Mr. Vincent

(2004) Island at War

as Sen. James Dorr

(1984) The Bill

as ---

(1989) Tales from the Crypt

as Nick Marvin

(1996) Silent Witness

as ---

(2002) Foyle's War

as ---

(1988) The Storyteller

as Prince

(1994) Crocodile Shoes

as ---

(2005) Jericho

as Alan Mills

(1997) Trial & Retribution

as ---

(1989) Mother Love

as Christopher "Kit" Vesey

(2014) Legends

as Headmaster

(2016) Victoria

as Sir Piers Gifford

(2013) Father Brown

as Sefton Scott

(2016) The Nightmare Worlds of H.G. Wells

as Pawkins

(2007) Secret Diary of a Call Girl

as Henry

(2001) Adrian Mole: The Cappuccino Years

as ---

(1986) Casualty

as Archie Grayling

(2012) Ripper Street

as Charles Broadwick

(1984) Sherlock Holmes

as Young Barclay

(2004) Agatha Christie's Marple

as Stanley Kirkwood

(2001) Murder in Mind

as Daniel Morton / Sir Richard Morton

(2012) Titanic

as Bruce Ismay

(1989) A Tale of Two Cities

as Sydney Carton

(2013) The Great Train Robbery

as John Wheater

(1993) Lady Chatterley

as Sir Clifford Chatterley

(1989) Agatha Christie's Poirot

as Andrew Restarick

(1989) Screen One

as Arthur Donnithorne

(1997) Midsomer Murders

as Edward Milton

(2011) Death in Paradise

as Elias Thomson

(2015) Poldark

as Lord Falmouth

(2023) The Famous Five

as Mr Vincent