Film

No.	Year	Title	Role	Vote Average
1	1933	Heads We Go	Minor Role	0
2	1934	The Rise of Catherine the Great	Regiment Soldier	59
3	1934	The Man Who Knew Too Much	Man at Clay Pigeon Shoot (uncredited)	65
4	1935	Late Extra	Newspaper Telephone Operator (uncredited)	56
5	1936	When Knights Were Bold	Soldier (uncredited)	50
6	1939	Black Eyes	Officer	55
7	1939	There Ain't No Justice	Len Charteris	60
8	1940	Convoy	Dot	54
9	1940	Sailors Three	Johnny	72
10	1940	Sailors Don't Care	Dick	43
11	1941	Spring Meeting	Tony Fox-Collier	48
12	1941	The Farmer's Wife	Richard Coaker	60
13	1941	Kipps	Ronnie Walshingham	56
14	1941	Cottage to Let	Alan Trently	67
15	1941	Ships with Wings	Lieut. Grant	40
16	1941	Mr. Proudfoot Shows a Light	RAF Officer	0
17	1942	In Which We Serve	Flags	68
18	1942	Secret Mission	Private Nobby Clark	43
19	1943	Undercover	Constantine	58
20	1943	Dear Octopus	Nicholas Randolph	0
21	1944	English Without Tears	Tom Gilbey	57
22	1946	Piccadilly Incident	Capt. Alan Pearson	62
23	1946	Carnival	Maurice Avery	76
24	1947	The Courtneys of Curzon Street	Sir Edward Courtney	49
25	1947	An Ideal Husband	Arthur Goring	63
26	1948	Spring in Park Lane	Lord Richard	68
27	1949	Maytime in Mayfair	Michael Gore-Brown	53
28	1949	Under Capricorn	Charles Adare	61
29	1950	Stage Fright	Det. Insp. Wilfried 'Ordinary' Smith	68
30	1950	Into the Blue	Nicholas Foster	0
31	1951	The Law and the Lady	Nigel Duxbury	61
32	1951	The Lady with a Lamp	Sidney Herbert (Lord Herbert of Lea)	61
33	1952	Derby Day	David Scott	65
34	1952	Trent's Last Case	Philip Trent	54
35	1953	Torch Song	Tye Graham	59
36	1954	The Egyptian	Akhnaton	64
37	1954	A Star Is Born World Premiere	Self	80
38	1955	The Glass Slipper	Prince Charles	63
39	1955	The Scarlet Coat	Maj. John Andre	64
40	1956	The Carroll Formula	David Scott	0
41	1956	Zarak	Maj. Michael Ingram	47
42	1959	Danger Within	Major Charles Marquand	62
43	1960	Hello London	himself	50
44	1960	The World of Suzie Wong	Ben Marlowe	64
45	1961	The Naked Edge	Morris Brooke	62
46	1961	The Best of Enemies	Lt. Burke	69
47	1962	A Girl Named Tamiko	Nigel Costairs	50
48	1968	Red Roses for the Fuhrer	il generale inglese	53
49	1968	The Sweet Ride	Bill Cartwright	48
50	1970	Waterloo	Colonel Sir William Ponsonby	71
51	1972	Lady Caroline Lamb	Lord Holland	58
52	1974	Frankenstein: The True Story	Sir Richard Fanshawe	75
53	1983	Hollywood Out-takes and Rare Footage	Self (archive footage) (uncredited)	65
54	2004	Judy Garland: By Myself	Self (archive footage)	75
55	2024	Elizabeth Taylor: The Lost Tapes	Self (archive footage)	69

Television

No.	Year	Title	Role	Vote Average
1	1951	Schlitz Playhouse of Stars		73
2	1953	The Oscars	Self	71
3	1954	Climax!	Lieutenant MacKenzie Barton (uncredited)	33
4	1955	The 20th Century Fox Hour		54
5	1962	Saints and Sinners	Sir Robert	60
6	1962	The Alfred Hitchcock Hour	David Saunders	78
7	1963	Burke's Law	Dr. Alan Steiner	60
8	1963	Bob Hope Presents the Chrysler Theatre		57
9	1966	The Girl from U.N.C.L.E.		66
10	1967	Mannix		67
11	1973	Frankenstein: The True Story	Sir Richard Fanshawe	85