This Voyage, the Treksperts, Mark A. Altman (writer/producer, Pandora, The Librarians, Castle) and Daren Docherterman (visual effects supervisor, Star Trek: The Motion Picture - Director's Edition) are joined by legendary casting director Joe D'agosta who not only talks about his experience casting the iconic Original Series, but working on Gene Roddenberry's first TV series, The Lieutenant, Mission: Impossible as