Norman Alden, a veteran character actor who starred in hundreds of TV shows, films and commercials over the years, has died at the age of 87.
His family told The Hollywood Reporter that Alden - who made an estimated 2,500 (!) appearances on camera - died of natural causes in L.A.
Frequently cast as a tough guy over his 50-year-career, Alden was also the voice of superhero Aquaman in the 1970s cartoon Super Friends.
He also appeared in Back to the Future (above) and Ed Wood.
Robert Alden's career spanned more than half a century.
He was in TV series such as Charlie's Angels, JAG and Batman, where he played one of the Joker's henchmen, and in AC Delco commercials.
In the mid 1970s, he starred in episodes of spoof TV soap Mary Hartman before his character Coach Leroy Fedders drowned in a bowl of soup.
On film, Alden also played Johnny Ringo in 1961's The Life and Legend of Wyatt Earp, and voiced Sir Kay in Disney's The Sword in the Stone.