Film

No.	Year	Title	Role	Vote Average
1	1959	Captured		46
2	1961	Danger! Men Working	Erskine Craig	0
3	1962	Operation Snatch	Mosquito Pilot	0
4	1962	The Password Is Courage	2nd Prisoner of War	63
5	1962	The L-Shaped Room	Terry	68
6	1963	The Partner		0
7	1963	Heavens Above!	Sir Geoffrey Despard	63
8	1964	Blind Corner	Mike Williams	50
9	1964	Doctor Who: Marco Polo	Marco Polo	73
10	1964	Seance on a Wet Afternoon	Mr. Clayton	72
11	1965	Game for Three Losers	Oliver Marchant	0
12	1965	The Pleasure Girls	Prinny	53
13	1965	Doctor Zhivago	Engineer at dam	75
14	1967	I'll Never Forget What's'isname	Kellaway	56
15	1968	A Little Of What You Fancy	Presenter	60
16	1968	Attack on the Iron Coast	Lt. Cmdr. Donald Kimberly	53
17	1968	Curse of the Crimson Altar	Robert Manning	53
18	1969	Arthur? Arthur!	Jack Parker	30
19	1972	Nobody Ordered Love	Charles	0
20	1973	Operation Magic Carpet	John Young	0
21	1973	Lord Peter Wimsey Mysteries: Murder Must Advertise	Chief Inspector Parker	10
22	1976	Fern, the Red Deer		0
23	1980	Richard's Things	Richard	50
24	1985	Claudia	Larry	100
25	2012	Vision On	Marco Polo (archive footage)	0
26	2013	An Adventure in Space and Time	Donald Baverstock	77

Television

No.	Year	Title	Role	Vote Average
1	1956	Armchair Theatre	Erskine Craig	58
2	1959	One Step Beyond	Johnny Watson	56
3	1960	Coronation Street	Alan Bradley	54
4	1961	The Avengers		77
5	1961	The Avengers	Nicholson	77
6	1961	Sir Francis Drake	Agila	45
7	1962	The Saint	Bertrand Tamblin	73
8	1963	Espionage		0
9	1963	Doctor Who	Marco Polo	79
10	1964	Catch Hand		0
11	1967	Man in a Suitcase		70
12	1967	The Prisoner	Number One Hundred	77
13	1971	The Rivals of Sherlock Holmes	Roderick Varley	73
14	1972	Lord Peter Wimsey: Clouds of Witness	Det. Inspector Parker	62
15	1972	Lord Peter Wimsey	Det. Inspector Parker	0
16	1972	Crown Court		54
17	1972	Crown Court	Douglas Blandford	54
18	1972	Arthur of the Britons	Morcant	60
19	1973	Warship		55
20	1973	Lord Peter Wimsey Mysteries: The Unpleasantness at the Bellona Club	Det. Insp. Parker	68
21	1974	The Top Secret Life of Edgar Briggs	Spencer	67
22	1977	Jesus of Nazareth	Quartus	78
23	1977	The Professionals	Ross	74
24	1980	Cribb	Edmund Vibart	73
25	1986	Casualty	Bill	61
26	1989	Agatha Christie's Poirot	Boucher	82
27	1990	Cluedo	George Biddle	64