Arnold Lessing
Arnold Lessing (born 30 August 1936; age 88) is an actor who played a redshirt Security Guard in the Star Trek: The Original Series second season episode "The Changeling". He filmed his scenes on Wednesday 12 July 1967 at Desilu Stage 9.
Lessing was also seen in three episodes of the Western series The Virginian, including one with Parley Baer and another with John Anderson. Additionally, he appeared in two episodes of I Spy: one with Roy Jenson and Lawrence Montaigne in 1966, and another with Diana Muldaur and Kenneth Tobey.
He and Dick Miller made uncredited appearances in the 1965 film The Girls on the Beach. That same year, Lessing had the romantic lead in the B-horror movie The Beach Girls and the Monster, co-starring Walker Edmiston. Lessing, who is also a singer and songwriter, wrote and performed a song for that film entitled "More Than Wanting You". (Edmiston co-wrote another song for the film.)
Lessing's last acting credit was in a 1971 episode of The F.B.I., in which fellow Original Series guest actor Stephen Brooks starred from 1965 to 1967.
He is also an accomplished flamenco guitarist and taught guitar at Santa Monica College since the early '70s, a position he later retired from.