Star Trek Voyager - "The Doctor" was USS Voyager's 24th century Emergency Medical Holographic program (or "EMH"), and Chief Medical Officer during the ship's seven-year journey through the Delta Quadrant. The EMH Mark I, upon which The Doctor's program was based, is a computer program with a holographic interface in the form of a Human male. It was listed as "Emergency Medical Holographic Program AK-1 Diagnostic and Surgical Subroutine Omega 323" in Voyager's memory. Played by Robert Picardo.