Engaging performer who made his mark as the nice-but-bland fellow who loses the girl to Cary Grant or his ilk in the screwball comedies "Hands Across the Table" (1935), 1937's "The Awful Truth" (for which he received an Oscar nomination), "Carefree" (1938) and "His Girl Friday" (1940).Bellamy appeared in over 100 films but won his greatest acclaim on Broadway, as a lionized presidential aspirant in "State of the Union" (1945); as an overzealous police officer in "Detective Story" (1949); and, especially, for his Tony Award-winning portrayal of Franklin Delano Roosevelt in "Sunrise at
