Film

No.	Year	Title	Role	Vote Average
1	1948	Penny and the Pownall Case	Von Leicher	57
2	1949	The Huggetts Abroad	Straker	66
3	1949	The Lost People	Milosh	57
4	1950	Highly Dangerous	Detective-Interrogator	60
5	1951	Hell Is Sold Out	Cheri, male secretary	57
6	1952	The Woman's Angle	Fudolf Mansell	0
7	1952	Top Secret	Roblettski	60
8	1956	The Iron Petticoat	Major Osip Feodor Ganovich	58
9	1956	The Gamma People	Bikstein	51
10	1959	Left Right and Centre	TV newscaster	60
11	1960	Sink the Bismarck!	Officer of the Watch - 'Sheffield' (uncredited)	68
12	1962	The Password Is Courage	German Doctor	63
13	1966	Naked Evil	Father Goodman	50
14	1969	The Assassination Bureau	Swiss Cashier	64
15	1969	Destiny of a Spy	Igor Trubenoff	0
16	1970	Doctor Who: Inferno	Professor Stahlman / Director Stahlman	70
17	1971	Crucible of Horror	Reid	54
18	1979	Charlie Muffin	Soviet First Secretary	55
19	1982	The Tragedy of King Lear	The Doctor	80
20	1989	The Turn of the Screw	John the Gardener	80
21	1996	Beastmaster III: The Eye of Braxus	Maldor	40

Television

No.	Year	Title	Role	Vote Average
1	1955	Dixon of Dock Green	Mark Fuller	53
2	1955	Dixon of Dock Green	Captain Bailey	53
3	1956	Colonel March of Scotland Yard	Carlmeddy	73
4	1960	Deadline Midnight		0
5	1960	Maigret		69
6	1961	Top Secret		0
7	1961	Ghost Squad		50
8	1963	Doctor Who	Director Stahlman	79
9	1963	Doctor Who	Professor Stahlman	79
10	1963	Doctor Who	Stahlman	79
11	1964	Detective		0
12	1964	Sherlock Holmes		64
13	1968	The Expert	Adams	95
14	1969	Special Branch		43
15	1969	Paul Temple		55
16	1970	Doomwatch	Dr. Ensor	57
17	1970	Codename	Istov	0
18	1971	Jason King		73
19	1972	The Protectors	Commissioner Braun	56
20	1974	Fall of Eagles	Police President Baron Krauss	68
21	1974	The Zoo Gang		70
22	1978	The Sandbaggers		80
23	1981	Hill Street Blues		76
24	1983	Scarecrow and Mrs. King		63
25	1985	MacGyver	Dr. Sidney Marlowe	77
26	1989	The Paradise Club	Sir David Huxley	58
27	1993	Dr. Quinn, Medicine Woman		76
28	1995	Star Trek: Voyager	Cleric	78