Marlyn Mason (born August 7, 1940 in San Fernando, California) is an American actress. Her acting credits include roles in My Three Sons, Burke's Law, Kentucky Jones, Bonanza, Ben Casey, Dr. Kildare (in a recurring role), Laredo, Occasional Wife, The Big Valley, The Man from U.N.C.L.E., Hogan's Heroes, The F.B.I., Mission Impossible, The Fugitive, The Odd Couple, Love, American Style, Marcus Welby, M.D., Barnaby Jones, Gomer Pyle, USMC, The Bronx Zoo, Charles in Charge and Jake and the Fatman. She was a regular in the short-lived series Longstreet, which starred James Franciscus. Mason played a principal role in the original 1967-68 Broadway production of How Now, Dow Jones. Mason also appeared in the movies Because They're Young (her film debut, in an uncredited role), The Trouble with Girls, Making It, Christina, and the television movies Brigadoon, Carousel, A Storm in Summer, Escape, That Certain Summer, Outrage, Attack on Terror: The FBI vs. the Ku Klux Klan, Last of the Good Guys, The New Adventures of Heidi, and My Wicked, Wicked Ways... The Legend of Errol Flynn.