Actor Gerald Mohr was born this day. (June 11, 1914). He appeared as Morbus in the episode “A Visit to Hades” (1966)
Actor Lew Gallo died on this day. (06/12/1928 – 06/11/2000) Age 71. He appeared as Cmdr. Fletcher in the episode “Flight Into the Future” (1967)

Actor Chuck Roberson died on this day. (05/10/1919 – 06/08/1988) Age 69. He appeared in the episode “The Deadly Games of Gamma 6” (1966) as Alien Fighter (uncredited)

Actor Lane Bradford died on this day. (08/29/1922 – 06/07/1973) Age 50. He appeard in the LIS episode “West of Mars” (1966) as Barfly (uncredited)

Actor Michael Rennie died on this day. (08/25/1909 – 06/10/1971) Age 61. He was in the only two-part episode “The Keeper – Part 1” and “The Keeper – Part 2” in 1966. He, of course was the titular character.

Note: He is also famous as Klatu in “The Day the Earth Stood Still” and as Harry Lime in the TV series “The Third Man” (where Jonathan Harris was his co-star).

Actor Don Forbes was born this day. (June 9, 1912). He appeared in 3 episode of Lost in Space. They were the original unaired pilot “No Place to Hide” (1965) and the first two aired episodes (“The Reluctant Stowaway” (1965) and “The Derelict” (1965). In all three episodes he was the TV Commentator (uncredited).

Actor John Abbott was born on this day in 1905.

He was in one episode of Lost in Space:
“The Dream Monster” (1966) – Sesmar

For what it’s worth, he also appeared in 1 episode of Star Trek:
“Errand of Mercy” (1967) – Ayelborne