Film

No.	Year	Title	Role	Vote Average
1	1935	Brown on Resolution	Max	58
2	1935	Me and Marlborough	Minor Role	53
3	1935	The Guv'nor	Undetermined Role	73
4	1936	Secret Agent	Karl (uncredited)	61
5	1939	The Spy in Black	German Officer in Kieler Hof Hotel	64
6	1940	Night Train to Munich	Checkpoint Officer (uncredited)	72
7	1941	Freedom Radio	Kummer	63
8	1947	The Phantom Shot	Sgt. Clapper	60
9	1949	Man on the Run	1st Paratrooper	66
10	1949	The Hasty Heart	Tommy	67
11	1950	Scrapbook for 1933	(voice)	60
12	1950	Stage Fright	1st Chauffeur (uncredited)	68
13	1951	The Man in the White Suit	Cranford	69
14	1951	Mr. Drake's Duck	Maj. Travers	50
15	1952	Journey to the Sea	Bill (uncredited)	0
16	1952	Plan for Coal		0
17	1952	His Excellency	Tea Shop Proprietor	60
18	1952	Where's Charley?	Sir Francis Chesney	100
19	1953	Gilbert Harding Speaking of Murder	Horatio Plunkett	0
20	1954	Elizabethan Express	Self - Narrator (voice)	60
21	1954	Don't Blame the Stork	Fluffy Faversham	0
22	1954	London's Country	Commentator	0
23	1954	Calling Scotland Yard: Falstaff's Fur Coat		0
24	1954	West of Zanzibar	Wood	45
25	1954	Paid to Kill	McGowan (as Howard Marion Crawford)	58
26	1956	Reach for the Sky	'Woody' Woodhall	68
27	1956	The Silken Affair	Baggott	10
28	1957	The Man in the Sky	Ingrams	71
29	1957	Ill Met by Moonlight		61
30	1957	The Birthday Present	George Bates	71
31	1958	The Silent Enemy	Wing Commander	56
32	1958	Gideon's Day	The Chief	64
33	1958	Next to No Time	Hobbs	80
34	1958	Nowhere to Go	Mac Cameron, club owner	67
35	1959	Life in Danger	Major Donald Peters	85
36	1959	Model for Murder	Inspector Duncan	66
37	1959	Virgin Island	Prescott	50
38	1959	North West Frontier		67
39	1960	Foxhole in Cairo	British Major	55
40	1961	Carry On Regardless	Wine-Tasting Organizer	64
41	1962	The Longest Day	Glider Doctor (uncredited)	76
42	1962	Lawrence of Arabia	Medical Officer	80
43	1963	Tamahine	Major Spruce (as Howard Marion Crawford)	48
44	1964	Man in the Middle		64
45	1965	The Face of Fu Manchu	Dr. Petrie	60
46	1966	The Living Flame		0
47	1966	The Brides of Fu Manchu	Dr. Petrie	57
48	1967	The Vengeance of Fu Manchu	Dr. Petrie	62
49	1967	Smashing Time	Hall Porter (uncredited)	62
50	1968	The Charge of the Light Brigade	Lt. Gen. Sir George Brown	61
51	1968	The Blood of Fu Manchu	Dr. Petrie	43
52	1969	Avalanche		33
53	1969	The Castle of Fu Manchu	Dr. Petrie	36

Television

No.	Year	Title	Role	Vote Average
1	1954	Sherlock Holmes	Dr. Watson	69
2	1955	Navy Log		45
3	1956	Wire Service	McKenna	0
4	1959	Interpol Calling	Reg Couts	67
5	1959	Interpol Calling	Peters	67
6	1960	Danger Man	Gregori	72
7	1960	Danger Man	Archer	72
8	1961	The Avengers	Geoffrey	77
9	1961	The Avengers	Collins	77
10	1962	The Saint	Portmore	73
11	1966	Insurrection	General Sir John Maxwell	0
12	1967	Man in a Suitcase		70