Lee Cronin

• The Original Series Episode 306: Spock's Brain (September 20, 1968)
• The Original Series Episode 301: Spectre of the Gun (October 25, 1968)

• The Original Series Episode 313: Wink of an Eye (November 29, 1968)
• The Original Series Episode 315: Let That Be Your Last Battlefield (January 10, 1969)