Gene Lyons

Actor (Ambassador Robert Fox) — The Original Series

American actor (1921–1974) who played Ambassador Robert Fox, the overbearing Federation envoy, in the first-season Original Series episode A Taste of Armageddon.

Gene Lyons was an American actor, born in 1921, who worked on Broadway and in live television drama and is best remembered as Commissioner Dennis Randall in the long-running series Ironside.
In A Taste of Armageddon he played Robert Fox, a Federation ambassador travelling on the Enterprise to open relations with Eminiar VII. Fox overrules Kirk and orders the ship to ignore a warning to stay away, then beams down in the belief that he is being welcomed, only to be marched to a disintegration station as a casualty of the planet's computer-run war. Rescued by Spock, he stays behind to mediate a real peace with Vendikar.
Lyons died in 1974.