Film

No.	Year	Title	Role	Vote Average
1	1956	Around the World in Eighty Days	Extra (uncredited)	66
2	1957	When We Are Married	The Rev. Clement Mercer	0
3	1959	The Bridal Path	Inspector	55
4	1959	After the Show	Victor Liebig	0
5	1965	The Trial and Torture of Sir John Rampayne	Denzil Trafford	0
6	1965	Thirteen to Centaurus	Dr. Kersh	70
7	1966	The Last Invasion		0
8	1966	Doctor Who: The Power of the Daleks	Lesterson	79
9	1969	Bam! Pow! Zap!	Dr. Gossard	0
10	1971	Orkney	Spence	0
11	1971	Mary, Queen of Scots	John Knox	67
12	1973	The Monkey's Paw	Mr. Granger	0
13	1974	Captain Kronos: Vampire Hunter	Pointer	61
14	1976	Doctor Who: The Masque of Mandragora	High Priest	66
15	1978	The Four Feathers	John, the Butler	67
16	1979	Ike	Capt. Burns	62
17	1981	John Diamond	David Jones	0
18	1984	John Wycliffe: The Morning Star	Bishop Courtenay	100
19	1984	And the Wall Came Tumbling Down	Father Ambrey	70
20	1993	Soft Top Hard Shoulder	Campbell	62
21	1995	Cold Comfort Farm	Mr. McKnag	67
22	1996	On Dangerous Ground	Jack Tanner	48

Television

No.	Year	Title	Role	Vote Average
1	1951	Hallmark Hall of Fame	Macconochie	87
2	1956	Armchair Theatre	Victor Liebig	58
3	1959	No Hiding Place		37
4	1961	The Avengers	Merlin	77
5	1961	The Avengers	Ronnie Vance	77
6	1961	The Avengers	Jenkins	77
7	1962	Z-Cars		70
8	1962	The Scales of Justice	Mr. Durrant	67
9	1962	Studio Four	Eustace Willoughby Wallis	60
10	1962	Suspense		55
11	1962	Dr. Finlay's Casebook		60
12	1963	Secret Beneath the Sea		60
13	1963	Doctor Who	Lesterson	79
14	1963	Doctor Who	High Priest	79
15	1965	The Troubleshooters	Alastair McFee	50
16	1966	Mystery and Imagination		55
17	1967	Sanctuary		50
18	1968	The Expert	Dr Mitchell	95
19	1969	Counterstrike		50
20	1970	The Six Wives of Henry VIII	Robert Barnes	81
21	1970	Doomwatch	Barker	57
22	1972	The Adventurer	Le commissaire-priseur	55
23	1972	Crown Court		54
24	1973	Orson Welles' Great Mysteries	Mr. Granger	67
25	1974	Father Brown	Doctor Wynn	66
26	1975	Lord Peter Wimsey: Five Red Herrings	Sir Maxwell Jamieson	0
27	1975	Rumpole of the Bailey		71
28	1977	Nicholas Nickleby	Newman Noggs	55
29	1977	The Professionals	David Merlin	74
30	1977	The Professionals	Cusak	74
31	1978	Blake's 7		72
32	1978	Blake's 7	Ven Glynd	72
33	1981	Winston Churchill: The Wilderness Years	Ramsay Macdonald	50
34	1981	Winston Churchill: The Wilderness Years	Ramsay Macdonald (uncredited)	50
35	1983	Shackleton	Sir John Scott-Keltie	60
36	1983	Taggart		64
37	1984	Hammer House of Mystery and Suspense	Father Ambrey/Packard	64
38	1993	Century Falls		60
39	1996	The Crow Road	Blawke	69