Film

No.	Year	Title	Role	Vote Average
1	1963	Doctor Who: An Unearthly Child	Kal	74
2	1965	Doctor Who: Mission to the Unknown	Gordon Lowery	0
3	1967	Queen of Scots		0
4	1969	Crooks and Coronets	Tim Reilly	83
5	1970	Eyewitness	Monk	62
6	1972	Frenzy	Detective (uncredited)	71
7	1978	Romeo and Juliet	1st Watch	74
8	1978	Destination Moonbase-Alpha	Jack Bartlett	48
9	1980	Hopscotch	Immigration Officer	69
10	1984	The Tripods	Graf de Ricordeau	0
11	1997	Photographing Fairies	Des	57

Television

No.	Year	Title	Role	Vote Average
1	1955	Dixon of Dock Green	McCleod	53
2	1961	The Avengers		77
3	1961	The Avengers	Dr. Penrose	77
4	1961	The Avengers	George Burton	77
5	1962	The Saint	Insp. Galba	73
6	1962	The Saint	Gregorio	73
7	1963	Doctor Who	Kal	79
8	1963	Doctor Who	Gordon Lowery	79
9	1966	The Three Musketeers	Athos	50
10	1967	The Further Adventures of the Musketeers	Athos	75
11	1970	Doomwatch	Vincent Llewellyn	60
12	1970	Up Pompeii!	Ponderous	76
13	1971	Justice	Ronnie Manners	60
14	1971	The Onedin Line	Fergusson	68
15	1972	Van der Valk	Eddie Palmer	58
16	1973	Frankenstein: The True Story	2nd Helper (uncredited)	85
17	1975	The Sweeney	Wren	77
18	1975	Space: 1999	Jack Bartlett	71
19	1977	The Professionals	Geiser	74
20	1979	Minder	Everett	68
21	1984	Tripods	Graf de Ricordeau	71
22	1985	EastEnders	Officer Stone	41
23	1988	A Very British Coup	Alford	79
24	1989	Agatha Christie's Poirot	Bert Croft	82
25	1989	The Paradise Club	Wilson	58
26	1994	Cadfael	Arnulf of Hesdin	73
27	2001	Murder in Mind	Guest	84