Macdonald Carey: Macdonald Carey. Actor: Shadow of a Doubt. American film and television actor MacDonald Carey became famous for his role as Dr. Tom Horton on NBC's soap opera Days of Our Lives (1965). For three decades he was the centered cast member of the show.
His film career was from the 1940s-'60s, and he appeared mostly in second-features (aka "B" pictures). He became known in Hollywood as "The King of the B's"...