Actor. He is best remembered for his portrayal of the staunch Dr. Karger in "The Devil's Mask" (1946). Born into a traditional working-class family, he was strongly encouraged by his peers and relations respectively to pursue a career in theatrics due in part to consistent praise of his effective dramatic readings at temple functions. After attaining his degree in theatrical arts from the Academy of Dramatic Art in his native Vienna, he working in stock companies in Berlin, Germany, for a few years until he immigrated to the United States to pursue a more proactive career. Following two decades of stage work in New York City, New York, he was introduced to director Spencer G. Bennet during a War Bond Drive at Radio City Music Hall. Impressed by his mature appearance, distinctive voice, and professionalism, he arranged for him to begin a secondary career in the film industry beginning with him being under his supervision in a supporting role in "The Secret Code" (1942). From there, he would go on to enjoy a fruitful career as a notable character actor appearing in over 80 features; often typecast as villains, white-collared workers, professors, cantors, doctors, landlords, neighbors, businessmen, eccentrics, aristocrats, husbands, fathers, curmudgeons, butlers, and patriarchs. He appeared in such feature films as "The Falcon's Brother" (1942), "Above Suspicion" (1943), "Tampico" (1944), "Prison Ship" (1945), "Gilda" (1946), "Cigarette Girl" (1947), "Sealed Verdict" (1948), "Jolson Sings Again" (1949), "Mystery Submarine" (1950), "Journey Into Light" (1951), "My Pal Gus" (1952), "Sins of Jezebel" (1953), "Torn Curtain" (1966), and "The Spy in the Green Hat" (1967). During the advent of television, he became an even more familiar face appearing in various guest spots on such syndicated sitcoms as "Your Show Time," "The Billy Rose Show," "Studio One," "Space Patrol," "Personal Appearance Theatre," "The Pepsi Cola Playhouse," "Decoy," "Omnibus," "Play of the Week," "Camera Three," "Cain's Hundred," "Playhouse 90," "Bonanza," "The Dick Powell Theatre," "Naked City," "The Twilight Zone," "Branded," and "The Fugitive". During his career, he was a naturalized United States citizen, was a member of the Screen Actors Guild, was supportive of the Motion Picture and Television Fund, had been a theatrical instructor for the Neighborhood Playhouse, was supportive of the New York State Democratic Committee, had been an active parishioner of the Congregation Emanu-El of New York, presided as chairman for his local charters of the American Red Cross and the Boys & Girls Clubs, and he served as vice-president for the Museum of Modern Art. After starring in what would be his final appearance in "To Die in Paris" (1968), Donath, who never married nor had any children, died from complications of leukemia.