The TV star, who played Jerry Seinfeld's dad in the first season of Seinfeld, passed away of natural causes on 8 February (12) in Los Angeles.
Bruns broke into acting in an episode of The Robert Herridge Theater, before going on to star on the small screen in a number of shows, including Car 54 Where Are You?, Route 66 and Here's Lucy.
He rose to further prominence playing the father of the title character in 1970s series Mary Hartman, Mary Hartman, also guest starring on Kojak, The Six Million Dollar Man and Mr. Belvedere.
Bruns also enjoyed roles in films including The Stuntman, The Out of Towners, and Flashdance.