Actor Frank Marth, who played Colonel Griswald in “Hey, Doc” (Season Four, originally aired October 10th, 1975), passed away on Sunday (January 12th) at the age of 91. His acting career dated back to 1949. He had bit parts in numerous episodes of Jackie Gleason’s various shows in the 1950s and made dozens of guest appearances throughout the 1960s, 1970s and 1980s in shows like Gunsmoke, Daktari, The Wild Wild West, Mannix, Barnaby Jones, Hart to Hart and The Fall Guy.
An obituary can be found at The Hollywood Reporter.
(Thanks to Dan).