- 2006: Cast in "Nanny McPhee," a comedy written by and co-starring Emma Thompson
- 2006: Starred opposite Kate Beckinsale in Len Wiseman's "Underworld: Evolution"
- 2001: Acted in Robert Altman's ensemble piece "Gosford Park", played the valet to the owner of the titular home
- 2001: Won Emmy Award for memorable guest appearance as a hammy Shakespearean actor on "Frasier"
- 2001: Reunited with playwright Hugh Whitemore as star of the play "God Only Knows"
- 2000: Returned to Broadway in staging of Chekhov's "Uncle Vanya"
- 2000: Had supporting role in the Oscar-winning feature "Gladiator"
- 2000: Co-starred in the British TV drama "The Wyvern Mystery"
- 1998: Portrayed painter Francis Bacon in "Love Is the Devil"
- 1997: Recreated acclaimed performance as Alan Turing in TV presentation of "Breaking the Code"
- 1996: Featured as Claudius in Kenneth Branagh's full-length "Hamlet"
- 1993: Undertook "Macbeth" with less than successful results
- 1991: Co-starred with Branagh and Emma Thompson in "Dead Again" (directed by Branagh)
- 1990: Had featured role in Christine Edzard's "The Fool"
- 1989: Played featured role of the Chorus in Branagh's film directorial debut "Henry V"
- 1988: Directed Kenneth Branagh in "Hamlet" for Branagh's Renaissance Theatre Company
- 1988: First screen collaboration with Christine Edzard, "Little Dorrit"
- 1987: Reprised role as Alan Turing on Broadway in Hugh Whitemore's play "Breaking the Code"
- 1984: Appeared on Broadway in repertory with "Cyrano de Bergerac" and "Much Ado About Nothing" opposite Sinead Cusack
- 1980: Broadway debut, "The Suicide"
- 1976: Played title character in the BBC miniseries "I, Claudius"
- 1973: Appeared in first TV miniseries, "The Strauss Family"
- 1965: Film debut as Cassio in "Othello", starring Laurence Olivier
- 1963: Founding member of the National Theatre Company with whom he made his London debut with as Laertes in "Hamlet" (1963) and starred in "Othello", "The Three Sisters" and "The Idiot"
- 1960: Professional stage debut with Birmingham Repertory in "One Way Pendulum"
- 1959: Appeared in title role of "Edward II" with the Marlowe Society, Cambridge
- 1957: Stage debut as "Hamlet" with the English National Youth Theatre at the Edinburgh Festival, Scotland
- 1949: Suffered bout of rheumatic fever at age ten; briefly paralyzed (date approximate)
- Served as artistic associate, Old Vic Company (formerly Prospect Theatre Company), London
- Appointed director of the Chichester Festival Theatre in England
- Acted as a child in local library productions
- Starred in "Cadfael", shown on PBS' "Mystery!"




