Film

No.	Year	Title	Role	Vote Average
1	1964	The Count of Monte Cristo	Baron Danglars	0
2	1965	The Trial and Torture of Sir John Rampayne	Chief Superintendent James	0
3	1966	The Last Invasion		0
4	1971	Doctor Who: Colony in Space	Captain Dent	67
5	1971	The Insomniac	The Man	80
6	1973	Nothing But the Night	Dr Yeats	61
7	1973	Mafia Junction		52
8	1974	Regan	Det. Chief Supt. Maynon	0
9	1976	One Hour to Zero	Professor Stonely	63
10	1976	Doran's Box	Jones	0
11	1977	Sweeney!	Flying Squad Cdr. Maynon	68
12	1979	The Human Factor	Scientist	59
13	1980	Silver Dream Racer	Financier	54
14	1981	The Life and Times of David Lloyd George	Lord Birkenhead	0
15	1981	The Bunker	Dr. Haase	62
16	1987	Born of Fire	The Director	60
17	1990	Shoot the Revolution	Ion Iliescu	0
18	2002	Crush	Bishop	56
19	2004	Letters of Service	Billy	60
20	2010	The Debt	Ivan Schevchuk	66

Television

No.	Year	Title	Role	Vote Average
1	1959	No Hiding Place		37
2	1961	The Avengers		77
3	1962	Out of This World		43
4	1962	City Beneath the Sea		60
5	1963	Doctor Who	Dent	79
6	1964	The Count of Monte Cristo	Baron Danglars	0
7	1966	The Informer	Fairclough	0
8	1967	Witch Hunt	Rev. Philip Nyren	0
9	1967	Callan		70
10	1968	The Champions	Schultz	61
11	1969	Judge Dee		50
12	1969	The Main Chance	Kellaway	77
13	1969	Counterstrike		50
14	1969	Special Branch		43
15	1969	Special Branch	Charles Moxon	43
16	1970	Doomwatch	Prof. Alec Hetherington	60
17	1971	Barlow		60
18	1971	The Persuaders!	Beecham-Bennett	76
19	1971	The Rivals of Sherlock Holmes	Coroner	73
20	1972	Van der Valk	Pastor Weevers	58
21	1972	War & Peace		71
22	1972	The Protectors	Hans Keller	56
23	1972	Crown Court		54
24	1972	Crown Court	Henry Ince	54
25	1973	Warship		55
26	1973	Helen: A Woman of Today		0
27	1975	The Sweeney	Det. Chief Supt. Maynon	77
28	1975	Survivors	Fenton	79
29	1977	Secret Army	Maitre Guissard	75
30	1977	The Professionals	Radouk	74
31	1979	Minder	DHSS Manager	68
32	1980	Escape		0
33	1982	The Hound of the Baskervilles	Barrymore	62
34	1983	The Cleopatras	General Chaereas	30
35	1983	Reilly: Ace of Spies	Chairman	70
36	1984	The Bill		67
37	1989	Agatha Christie's Poirot	Mr. Wells	82
38	1989	Shadow of the Noose	Lord Alverstone	0
39	1997	Midsomer Murders	Pub Landlord	75
40	2003	The Royal	Colonel Bradshaw	76
41	2006	Not Going Out	Stan	74