Meeting In 'The Jungle' -- Mary Parker, talented actress sister of Lieutenant-Commander Michael Parker (the Duke of Edinburgh's Personal Equerry), talks with Dana Andrews on the Associated British set as Elstree, Hertfordshire, where he is starring in 'Duel in the Jungle'.Miss Parker, who established a reputation as an actress in Australia, recently arrived in England to continue her career on stage and screen. December 3, 1953. (Photo by Reuterphoto).