Film

No.	Year	Title	Role	Vote Average
1	1970	The Reckoning	Garner	73
2	1970	The Lie	Macleod	60
3	1971	Orkney	Ronald	0
4	1971	Skin Deep	Robert Walsh	0
5	1975	Doctor Who: The Sontaran Experiment	Vural	58
6	1976	Seal Island		0
7	1977	A Bridge Too Far	Brigadier Gerald Lathbury	72
8	1984	Give My Regards to Broad Street	Police Detective	47
9	1985	Lace 2	Major Clark	0
10	1988	Dead Lucky	Martin's Father	10
11	1988	The Man Who Lived at the Ritz	Major Ritter	40
12	1989	She's Been Away	Lillian's Father	54
13	1993	Diana: Her True Story	Prince Philip	17
14	1995	A Mind to Murder	Asst. Commissioner Hart	58
15	2000	Highlander: Endgame		48
16	2001	From Hell	Hospital Director	67
17	2001	Bridget Jones's Diary	Mr. Darcy	67
18	2001	Greenfingers	Nigel	63
19	2002	A Is for Acid	William McSwan	70
20	2004	Bridget Jones: The Edge of Reason	Admiral Darcy	62
21	2012	An Enemy to Die For	British Admiral	57
22	2016	Bridget Jones's Baby	Admiral Darcy	64
23	2022	Nobody Has to Know		67

Television

No.	Year	Title	Role	Vote Average
1	1961	The Avengers	Major Parsons	77
2	1963	Doctor Who	Vural	79
3	1964	The Wednesday Play	Adrian Brinton	45
4	1965	BBC Play of the Month	Lennox	50
5	1969	The Main Chance	Philip Betton	77
6	1969	Strange Report	Leonard Grey	65
7	1970	Play for Today	James Macleod	63
8	1970	Play for Today	Robert Walsh	63
9	1971	Budgie	Tony Pringle	70
10	1971	Justice	Robert McGregor Q.C.	60
11	1971	The Onedin Line	Major Morrison	68
12	1975	Lord Peter Wimsey: Five Red Herrings	Hugh Farren	0
13	1977	The Professionals	Eric Sutton	74
14	1978	Blake's 7	Major Grenlee	72
15	1979	Minder	Scots Winetaster	68
16	1979	Minder	Mr. Prosser	68
17	1981	Sense and Sensibility	Sir John Middleton	69
18	1981	Peter and Paul	Burrus	70
19	1981	Bergerac	Philips	67
20	1982	Shine on Harvey Moon	Prosecution Counsel	76
21	1982	Cloud Howe	Dalziel of Meiklebogs	0
22	1984	Fresh Fields	Dr. Summers	67
23	1989	Agatha Christie's Poirot	Franklin Clarke	82
24	1993	Peak Practice	Coroner	61
25	1995	Kavanagh Q.C.	Mr. Justice Halliwell	70
26	1995	Kavanagh Q.C.	Mr. Justice Danforth	70
27	2000	Second Sight	Dr. Peters	58
28	2003	Charles II: The Power and The Passion	Lord Coleraine	64
29	2016	The Crown	Lord Chambarlaine	82