Dorothy Peterson was an American actress, known for her prolific career as a character actress in Hollywood. Active primarily from the 1930s to the 1950s, she began her career on Broadway before moving to Hollywood, where she quickly established herself. She specialized in supporting roles, often portraying maternal figures, aunts, nurses, or principled women who provided moral stability to the protagonists. Among her more than one hundred film appearances, her notable performances include roles in prominent films such as *Dark Victory* (1939), Alfred Hitchcock's *Saboteur* (1942), *Mr. Skeffington* (1944), and *The Bishop's Wife* (1947). Although she did not receive major awards, her primary recognition stems from her constant presence and reliability, which made her a familiar face and an indispensable pillar of the studio system during Hollywood's Golden Age, professionally contributing to the success of numerous classic films.