Actor John M. Murdock was active between 1973 and 1998, with film roles including Every Which Way You Can, Big Top Pee-Wee, Rainman, guest appearances in Mannix, Kojak, Barney Miller, Hill Street Blues and a recurring role in Petticoat Junction. He is also recognized as Grandpa Pidgeon in commercials for the GrandPa's chain of 15 discount retail stores.
