American actor, known for Little House on the Prairie, who played Mark Johnson, the fiance Kathryn Janeway leaves behind on Earth, in two episodes of Voyager.
Stan Ivar is an American actor best known as John Carter in the final season of Little House on the Prairie.
In Star Trek: Voyager he played Mark Johnson, Captain Janeway's partner. He appears in the pilot, Caretaker, speaking to her by subspace as he looks after her pregnant dog before Voyager leaves for the Badlands.
Ivar returned in the second-season episode Persistence of Vision, in which a telepathic alien uses images of loved ones to incapacitate the crew and Janeway is confronted by an apparition of Mark. The character is referred to again in Hunters, when a letter tells her he has married.