Three Men and a Baby was directed by someone on the cast of the original Star Trek.
Leonard Simon Nimoy ( [ ˈniːmɔɪ ] March 26 , 1931 -- February 27 , 2015 ) was an American actor , film director , photographer , author , singer and songwriter . Three Men and a Baby is a 1987 American comedy film directed by Leonard Nimoy , and stars Tom Selleck , Steve Guttenberg , Ted Danson and Nancy Travis .