The Tenth Level Cast & Crew
William ShatnerProf. Stephen Turner Viveca LindforsMrs. Schnagel Richard McKenzieMr. Dennison Fred J. ScollayDr. McBride Gregory AbelsLab Technician Billie Lou WattMrs. Carol W.T. MartinMario, the Waiter Gary CooksonLab Technician John TravoltaLab Technician (uncredited) George BellakWriter / Associate Producer Bob MarkellExecutive Producer Wesley LawsSet Decoration Victor PaganuzziProduction Design Leslie RenfieldCostume Design Rowland VanceAssistant Director Charles GrossOriginal Music Composer Al RosenProduction Supervisor 
