Mary Pickford and Dean Martin were two of the most iconic figures in the entertainment industry. MARY Pickford was an actress, producer, and co-founder of United Artists, while Dean Martin was an actor, singer, and comedian. Both were renowned for their work in the early to mid-20th century. Pickford was known as 'America's Sweetheart' and was one of the first female superstars in Hollywood, while Martin was a member of the Rat Pack and was known for his smooth singing voice and comedic timing.