Film

No.	Year	Title	Role	Vote Average
1	1977	The Winslow Boy		80
2	1977	A Bridge Too Far	Pvt. Simmonds	72
3	1978	The Lord of the Rings	Merry (voice)	66
4	1978	Soldiers Talking, Cleanly	Nicky	0
5	1979	Who's Who	Nigel	56
6	1980	"If Only..."	Micky	0
7	1980	The Imitation Game		71
8	1980	The Taming of the Shrew	Lucentio	78
9	1981	If You Go Down in the Woods Today	Lieutenant	45
10	1981	Antony & Cleopatra	Eros	63
11	1981	Friends and Other Lovers	Jonathan	0
12	1982	The Breadwinner	Patrick Battle	0
13	1982	The Merry Wives of Windsor	Fenton	80
14	1984	The Bounty	David Nelson	67
15	1984	Dr. Fischer of Geneva	Doctor	56
16	1989	Here Is the News	Presenter	0
17	1989	Sitting Targets	Paul	0
18	1990	Dear Sarah	Alastair Logan	0
19	1991	Aimée	Paul	20
20	1993	Unnatural Causes	Digby Seton	0
21	1997	The Man Who Knew Too Little	Hawkins	64
22	1997	Incognito	Iain Ill	58
23	1997	Spice World	Hospital Parent	49
24	1998	The Commissioner	Peter Simpson	57
25	1999	Milk	Doctor	20
26	2000	The Sleeper	Jonna	40
27	2001	Gentlemen's Relish	Prestwick	50
28	2001	Sword of Honour	Maj. Irvine	61
29	2002	The Stone Raft	British Prime Minister	52
30	2004	Vera Drake	Mr. Wells	72
31	2005	Stoned	Mary's Father	52
32	2005	The Taming of the Shrew	John Naps	80
33	2006	Penelope	Doctor	67
34	2006	Perfume: The Story of a Murderer	Mayor of Grasse	74
35	2010	Critical Eye	Surgeon	0
36	2010	The King's Speech	Lord Dawson	77
37	2011	The Iron Lady	Cabinet Ministers	64
38	2014	Mr. Turner	Sir Augustus Wall Callcott	65
39	2014	The Theory of Everything	John Taylor	78
40	2017	Carnage: Swallowing the Past	Barnaby Jones	65
41	2017	Letters from Baghdad	David Hogarth	67
42	2018	The Mercy	Sidney Rawle	59
43	2020	The Old Guard	Father Sykes	71
44	2022	Rogue Agent	Paul Jones	64

Television

No.	Year	Title	Role	Vote Average
1	1965	BBC Play of the Month	Denis Tregoning	50
2	1970	Play for Today	Nicky	63
3	1976	The Duchess of Duke Street		78
4	1977	1990		60
5	1978	The BBC Television Shakespeare	Fenton	60
6	1981	Brideshead Revisited	Lieutenant James	79
7	1982	Shine on Harvey Moon	Mr. Cude	76
8	1984	Lace	Nick Cliffe	71
9	1985	Jonny Briggs	Mr. Hobbs	57
10	1986	Casualty	Richard Penfold	61
11	1986	The Singing Detective	Dr. Finlay	76
12	1987	The Ruth Rendell Mysteries	Reese	62
13	1987	Pulaski	Lord Epton	40
14	1989	Confessional	Fox	0
15	1991	So You Think You've Got Troubles	De La Rue	60
16	1992	Heartbeat	Eric Potter	71
17	1992	Anglo Saxon Attitudes	John Middleton	50
18	1994	Middlemarch	Rev. Farebrother	78
19	1994	The Wimbledon Poisoner	No. 47	35
20	1997	Midsomer Murders	Jonathan Canning	75
21	1997	Midsomer Murders	Richard Deverell	75
22	2000	Life Force	Professor Petersen	80
23	2000	Urban Gothic		53
24	2001	Teachers	Geoff	74
25	2001	Judge John Deed	Sir Ian Rochester	66
26	2002	Foyle's War	Leonard Evans	79
27	2005	The Thick of It	Permanent Secretary	80
28	2005	ShakespeaRe-Told		75
29	2009	Land Girls	Inspector West	78
30	2010	Identity		68
31	2012	Call the Midwife	Canon Gilbert	75
32	2012	The Bletchley Circle	Solicitor	76
33	2013	The Politician's Husband	Cliff Lyman	69
34	2016	The Crown	Clement Attlee	82
35	2022	Slow Horses	Doctor	80
36	2022	House of the Dragon	Septon Eustace	83
37	2022	The Peripheral	Nikolai	78
38	2023	The Gold	Judge Instrell	73
39	2023	The Diplomat	Sir Merritt Grove	75