|Red Buttons (1919 - 2006)|
|Sayonara (1957) [Airman Joe Kelly]: Commits suicide (off-screen) by shooting himself, along with Miyoshi Umeki, as part of a suicide pact. Their bodies are shown afterwards when Marlon Brando discovers them in their bedroom.
They Shoot Horses, Don't They? (1969) [Sailor]: Dies of a heart attack during the dance marathon, while Jane Fonda tries to force him to keep going. (Thanks to Mac)
Joys (1976) [Red Buttons]: Killed by Johnny Carson. (I haven't seen this special, but I've read that all the guest stars were killed one by one by a mysterious figure who was ultimately revealed as Johnny.) (Played for comic effect.)