Star Trek IV : Retour sur Terre (1986)

William Shatner, OC (born March 22, 1931) is a Canadian actor. In a career spanning seven decades, he is best known for his portrayal of James T. Kirk in the Star Trek franchise, from his 1966 debut as the captain of the starship Enterprise in the second pilot of the first Star Trek television series to his final appearance as Captain Kirk in the seventh Star Trek feature film, Star Trek Generatio

Leonard Simon Nimoy (March 26, 1931 – February 27, 2015) was an American actor, film director, poet, musician and photographer. Nimoy's most famous role is that of Spock in the original Star Trek series 1966–1969, multiple films, television and video game sequels.

Jackson DeForest Kelley (January 20, 1920 – June 11, 1999) was an American actor, screenwriter, poet and singer known for his iconic roles in Westerns and as Dr. Leonard "Bones" McCoy of the USS Enterprise in the television and film series Star Trek.