Ian Abercrombie, the actor best recognized for playing Elaine Benes’ boss on Seinfeld, has died. He was 77.

Abercrombie, who did voice work on the movie Rango this year, passed away in Hollywood on Thursday. He just finished work on the animated series Green Lantern for the Cartoon Network.

Abercrombie’s career spanned more than 50 years and included roles in flicks like Young Frankenstein and The Lost World: Jurassic Park. TV gigs included playing Mr. Pitt on Seinfeld, as well as parts on Wizards of Waverly Place, Desperate Housewives, Murphy Brown and L.A. Law.