who played kirk's son in wrath of khan
Merritt Butrick While Square Pegs was in pre-broadcast production, Butrick was cast to play David Marcus, the physicist son of James T. Kirk (William Shatner) and his former lover Carol Marcus (Bibi Besch), in Star Trek II: The Wrath of Khan. He continued the role in the follow-up film Star Trek III: The Search for Spock, in which the character was killed. He later appeared as T'Jon, the captain of a cargo vessel rescued by the crew of the Enterprise in "Symbiosis", a 1988 episode of Star Trek: The Next Generation.