From Wikipedia, the free encyclopedia. Betta St. John (born Betty Jean Striegler, November 26, 1929 – June 23, 2023) was an American actress, singer, and dancer who worked on Broadway, the West End, and in Hollywood films. She started her career aged 10 as a child actress in uncredited movie parts in her native USA. As an adult actress her first starring role was in the MGM film Dream Wife opposite Cary Grant in 1953. In 1954 she starred with Victor Mature in Dangerous Mission. After moving to...