Roger E. Mosley: Roger E. Mosley. Actor: Magnum, P.I.. Roger E. Mosley was born on 18 December 1938 in Los Angeles, California, USA. He was an actor and director, known for Magnum, P.I. (1980), A Thin Line Between Love and Hate (1996) and Terminal Island (1973). He was married to Antoinette 'Toni' Laudermilk and Saundra J Locke. He died on 7 August 2022 in Los Angeles, California, USA.