Marty Feldman
From Muppet Wiki
Marty Feldman (1933-1982), best remembered as Igor (pronounced Eye-gor) in Young Frankenstein, was the guest star on The Muppet Show Episode 518.
Feldman died on December 2, 1982 in Mexico City of a massive heart attack following food poisoning from eating shellfish while filming the movie Yellowbeard. Ironically, he was in the midst of filming a scene in which his character was supposed to die. (A stand-in completed the scene.)
