Lost in Space Wally Cox, Grant Sullivan, Norman Leavitt, Tommy Farrell, Mercedes McCambridge, Lyle Waggoner, Albert Salmi, Royal Dano, Strother Martin, Michael J. Pollard, Byron Morrow, Arte Johnson, Fritz Feld, John Carradine, Al Lewis, Hans Conried, Dennis Patrick, Michael Rennie, Daniel J. Travanti and Michael Conrad. Jonathan Harris, although a permanent cast member, was listed in the opening credits as "Special Guest Star" in every episode of "Lost in Space". Props and monsters were regularly recycled from other Irwin Allen shows. A sea monster outfit that had featured on Voyage to the Bottom of the Sea (TV series) might get a spray paint
Voyage to the Bottom of the Sea (TV series) title character in "The Mermaid" (Diane Webber), who did not speak. The fourth and final season of "Voyage" began with Victor Jory playing a five-centuries old alchemist and the "Seaview" is threatened by the hydrodynamic effects of a major volcanic eruption. After a few episodes there were revamped opening credits depicting action sequences and the stars' pictures in color set on a sonar board design. The closing credits picture remained unchanged from season three. Near the end of the fourth season, there were three unrelated stories of extraterrestrial invasion. One episode had an unknown master of disguise infiltrating and wreaking