(written from a Production point of view)
Roger Perry (7 May 1933 – 12 July 2018; age 85) was the actor who played Captain John Christopher in the Star Trek: The Original Series first season episode, "Tomorrow is Yesterday". He filmed his scenes between Monday 28 November 1966 and Monday 5 December 1966 at Desilu Stage 9 and Stage 10.
Perry began acting in movies in 1958, and television a year later. Working steadily until the early nineties, he amassed nearly a hundred movie, series, and guest starring roles; many of the movies were made for television and B-movies. For twenty-five years, he was married to comedienne Joanne Worley, who is best known for her role in the Laugh-In comedy sketch show.
Perry was a regular in ABC's crime series Arrest and Trial which ran for one season in 1963-1964, and had two episodes directed by Ralph Senensky and one by Robert Butler. Writers of the series included Max Ehrlich and Barry Trivers. In 1969, he appeared in an episode of Adam-12 as a district attorney, opposite a defense attorney played by Phillip Pine. In 1977 he appeared in the film The Man with the Power, along with Tim O'Connor, Persis Khambatta, John de Lancie, James Ingersoll and Jason Wingreen.