Bill Travers he played the title role in "Abraham Cochrane" which had a short run. Travers' most famous film role came when he played the conservationist George Adamson in the highly successful 1966 film "Born Free", about which experience the two co-wrote the book "On Playing with Lions". He co-starred with McKenna and the experience made him and his wife very conscious of the many abuses of wild animals in captivity that had been taken from Africa and other natural environments around the world. Travers received an offer to play a support role in "Duel at Diablo" (1967); during filming he broke
P. L. Travers the name Pamela Lyndon Travers and adopted the pen name P. L. Travers in 1933, while writing the first of eight "Mary Poppins" books. Travers travelled to New York City during World War II while working for the British Ministry of Information. At that time, Walt Disney contacted her about selling to Disney Studios the rights for a film adaptation of "Mary Poppins", whose sequel "Mary Poppins Comes Back" was also in print. After years of contact, which included visits to Travers at her home in London, Walt Disney did obtain the rights and the Disney film "Mary Poppins" premiered