Film

No.	Year	Title	Role	Vote Average
1	1974	Mr. Shepard and Mr. Milne	Young Ernest Shepard	0
2	1974	Choice	Duncan Thomas	0
3	1991	Miss Marple: They Do It with Mirrors	Chief Inspector Slack	68
4	1999	Great Expectations	Matthew Pocket	62
5		One of Us	Grandfather	0
6	1975	The Crazy Kill	Tredgett	0
7	1975	King Lear	Duke of Burgundy	0
8	1982	An Unsuitable Job for a Woman	Sergeant Maskell	52
9	1984	Young Shoulders	Ben Waterford	70
10	1986	Miss Marple: The Murder at the Vicarage	Det Inspector Slack	66
11	1987	Miss Marple: 4.50 from Paddington	Detective Inspector Slack	73
12	1987	The Dirty Dozen: The Deadly Mission	Pierre Claudel	51
13	1987	Lily My Love	Vicar	0
14	1988	Stanley	Dudley Tooth	0
15	1989	The Blasphemers' Banquet	Self	0
16	1992	Paper Marriage	Frank Haddow	40
17	1992	Miss Marple: The Mirror Crack'd from Side to Side	Superintendent Slack	75
18	1994	The Blue Boy	Robert	53
19	1999	Solomon & Gaenor	Isaac	59
20	2000	102 Dalmatians	Dr. Pavlov	55
21	2002	One of the Hollywood Ten	Ben Margolis	55
22	2002	Max	Max's Father	61
23	2002	Goodbye, Mr. Chips	Burnley	63
24	2004	Dirty War	Lambert	60
25	2007	Cassandra's Dream	Angela's Dad	63
26	2009	The Young Victoria	Sir James Clark	72
27	2014	Mr. Turner	Dr Price	65
28	2015	RSC Live: Love's Labour's Lost	Holofernes	0
29	2015	RSC Live: Love's Labour's Won	Leonato	0
30	2016	The Infiltrator	Saul Mineroff	67
31	2016	The Chamber	Captain	56
32	2017	The Sense of an Ending	Headmaster	64
33	2017	The Man with the Iron Heart	Admiral Hansen	66
34	2018	The Nun	Cardinal Conroy	59
35	2020	Summerland	Albert	76
36	2020	Rebecca	Coroner	63
37	2021	The Dybbuk: Semi-Staged Reading		0
38	2022	The Creeping	Reverend Joseph	40
39	2023	The Nun II	Cardinal Conroy	67
40	2024	She Stoops To Conquer	Mr Hardcastle	0

Television

No.	Year	Title	Role	Vote Average
1	1965	BBC Play of the Month	Duke of Burgundy	50
2	1968	The Expert	David Williams	100
3	1970	Manhunt	Kurt	65
4	1971	Justice	Philip Cooke	60
5	1973	Thriller	Tredgett	66
6	1976	The New Avengers	Tom Fitzroy	70
7	1981	Bognor	Simon Bognor	50
8	1983	The Cleopatras	Chickpea	30
9	1984	The Bill		67
10	1984	Miss Marple: The Body in the Library	Detective Inspector Slack	74
11	1986	Casualty	Roger Longford	61
12	1988	Piece of Cake	'Uncle' Kellaway	68
13	1992	Heartbeat	Douglas Philpot	71
14	1992	A Touch of Frost	Jameson	75
15	1993	Peak Practice	Eric Hawkins	61
16	1997	Ivanhoe	Isaac	69
17	1997	Midsomer Murders	James Hobson	75
18	1999	Great Expectations	Matthew Pocket	0
19	2002	Foyle's War	Thomas Kramer	79
20	2003	The Second Coming	Mr Streeter	67
21	2022	House of the Dragon	Grand Maester Mellos	83
22	2023	The Gold	Judge	73
23	2023	Bodies	Rabbi Goldstein	72