Film

No.	Year	Title	Role	Vote Average
1	1959	The White Warrior	Prince Sergei Vorontzov	51
2	1959	Caltiki, the Immortal Monster	Max Gunther	58
3	1959	The Great War	Capitano Austriaco	81
4	1959	The Giant of Marathon	Hippia	52
5	1960	Five Branded Women	Col. von Elm	60
6	1960	Under Ten Flags	Captain del Sommergibile	54
7	1961	Ursus in the Valley of the Lions	Lothar	55
8	1962	The Changing of the Guard	German officer	67
9	1963	Two Colonels		75
10	1963	The Shortest Day	Colonnello comandante (uncredited)	62
11	1964	The Road to Fort Alamo	Mr. Silver	56
12	1966	Secret Agent Super Dragon	Coleman (as Gerard Haerther)	34
13	1967	The Big Gundown	Baron von Schulenberg	73
14	1967	Any Gun Can Play	Lawrence Blackman	64
15	1967	Professionals for a Massacre	Major Lloyd	58
16	1967	Two Faces of the Dollar	Col. Blackgrave	65
17	1968	The Devil's Brigade	German Officer in Town (uncredited)	63
18	1968	To Hell and Back	Ernest Ward	49
19	1968	Gatling Gun	Mr. Bishop	47
20	1969	The Battle of El Alamein	General Schwartz	53
21	1969	The Battle of the Damned	Colonel Kleist	48
22	1969	Battle of the Commandos	Lieutenant Hapke	53
23	1970	A Sword to Brando		30
24	1970	The Last Day of the War	Maj. Skorch	47
25	1970	Symphony of Love	conte Roskoff	70
26	1970	Hornets' Nest	Capt. Kreuger	56
27	1970	Adiós, Sabata	Colonel Skimmel	63
28	1973	Ludwig	Prince Luitpold	75

Television

No.	Year	Title	Role	Vote Average
1	No Data	No Data	No Data	No Data