Steve-Landesberg.jpgActor and comedian Steve Landesberg passed away at the age of 65 on Dec. 20. 

]]>reports that Landesberg, best known for playing Arthur P. Dietrich on the classic ’70s television series “Barney Miller,” had been battling cancer for some time now. Landesberg also played Jason Segel‘s pediatritian in “Forgetting Sarah Marshall” and most recently starred as Dr. Myron Finkelstein on Starz original series “Head Cases,” a mockumentary where celebrities, playing themselves, sat down for therapy.