Emigrating to England in 1933 as the Nazis began their rise to power, Wengraf appeared unbilled in a couple of films there, as well as in some of the first BBC live-television shows ever presented but his career began to languish. In late 1941, however, he had the good fortune of appearing on Broadway with Helen Hayes in "Candle in the Wind" and decided to stay. The following year he headed west and settled permanently in the Los Angeles area. A dark, cold-eyed, thin-lipped player with a precise, meticulous air about him, he found himself invariably playing the very characters he detested. Some of his more nefarious nasties surfaced in such films as the Humphrey Bogart classic Sahara (1943/I), as well as The Boy from Stalingrad (1943), U-Boat Prisoner (1944) and Till We Meet Again (1944). In postwar years, he was often spotted portraying ethnic professionals (scientists, doctors, professors, foreign royalty). Some of the more quality pictures he enhanced were Tomorrow Is Forever (1946); Count Von Papen in 5 Fingers (1952); and Ronchin in the Ethel Merman musical Call Me Madam (1953). Although Wengraf never made it to the very top of the Hollywood character ranks, he remained a throughly strong and reliable player. In the 1950s and 1960s he transferred his talents to TV, appearing on a number of dramatic showcases and on such popular programs as "The Untouchables" (1959), "Hawaiian Eye" (1959), "The Man from U.N.C.L.E." (1964) and "The Time Tunnel" (1966). His last few films included minor roles in the war-themed Judgment at Nuremberg (1961), Hitler (1962) and Ship of Fools (1965). He retired in 1966, and died in Santa Barbara, California, at age 77, on May 4, 1974.
1966Jericho (1 Episode) as Unknown
1966The Time Tunnel (1 Episode) as Dr. Hans Kleinemann
1965Ship of Fools as Graf
1964The Rogues (1 Episode) as Drozhin
1963The Prize as Hans Eckhart
1962Hitler as Dr. Morell
1961Judgment at Nuremberg as Karl Wieck
1960Portrait in Black as Dr. Kessler
196012 to the Moon as Dr. Erich Heinrich
1959The Detectives (1 Episode) as Unknown
1959Hawaiian Eye (1 Episode) as Unknown
1959Bourbon Street Beat (1 Episode) as Unknown
1959The Third Man (1 Episode) as Unknown
1959One Step Beyond (1, 1 Episode) as Ernest, Felix Borgner
195877 Sunset Strip (1 Episode) as Unknown
1958Bat Masterson (1 Episode) as Colonel Anders Dorn
1958Behind Closed Doors (1 Episode) as Von Elm
1958The Return of Dracula as John Merriman
1957The Walter Winchell File (1 Episode) as Unknown
1957The Disembodied as Dr. Carl Metz
1957Valerie as Mr. Louis Horvat
1957The Pride and the Passion as Sermaine
1957Panic! (1 Episode) as Unknown
1957Oh, Men! Oh, Women! as Dr. Krauss
1956Telephone Time (1 Episode) as Unknown
1956Never Say Goodbye as Prof. Zimmelman
1955Matinee Theater (1 Episode) as Unknown
1955The Racers as Dr. Tabor
1955The Millionaire (1 Episode) as Count Victor Turec
1954The Gambler from Natchez as Nicholas Cadiz
1954Gog as Dr. Zeitman
1954Paris Playboys as Vidal
1954The French Line as Commodore Renard
1954Hell and High Water as Col. Schuman (uncredited)
1953The Desert Rats as German Doctor (uncredited)
1953General Electric Theater (1 Episode) as Unknown
1953Tropic Zone as Lukats
1952Cavalcade of America (1, 1, 1 Episode) as German Colonel, Von Schwarz, Unknown
1952Four Star Playhouse (1 Episode) as Denoir
19525 Fingers as Count Franz Von Papen
1952Dangerous Assignment (1 Episode) as Unknown
1950Lux Video Theatre (1, 1 Episode) as Landau, Max von Mayerling
1949The Lovable Cheat as Pierquin
1948Wake of the Red Witch as Prosecuting Attorney
1948Sealed Verdict as German Doctor
1948Sofia as Peter Goltzen
1947T-Men as 'Shiv' Triano
1946The Razor's Edge as Joseph - Gray & Isabel's Butler
1946Tomorrow Is Forever as Dr. Ludwig
1945Week-End at the Waldorf as Alex
1944Strange Affair as Rudolph Kruger
1944Till We Meet Again as Gestapo Chief
1944U-Boat Prisoner as Gunther Rudehoff, Gestapo Agent
1944The Seventh Cross as Overkamp
1943Sahara as Maj. von Falken
1943The Boy from Stalingrad as German Major
1943Mission to Moscow as Polish Ambassador Grzybowski (uncredited)
1942Lucky Jordan as Herr Kesselman
1940Sailors Three as German Captain
1940Convoy as Commander Deutschland
1940Night Train to Munich as KL Physician (uncredited)
1940All Hands as German
1940Dangerous Comment as German Radio Operator
1938The Moon in the Yellow River as Tausch
1935Bretter, die die Welt bedeuten as Paul Rainer