The Tenth Level
Voltar
William ShatnerProf. Stephen Turner
Lynn CarlinBarbara
Ossie DavisReed
Viveca LindforsMrs. Schnagel
Estelle ParsonsCrossland
Roy PooleDr. Goodman
Mike KellinMancuso
Richard McKenzieMr. Dennison
Fred J. ScollayDr. McBride
Stephen MachtDahlquist
Lindsay CrouseKaren
Charles WhiteHarry Vogel- Gregory AbelsLab Technician
- Robert BurrMr. Hughes
- Tom QuinnBully in Bar
- Billie Lou WattMrs. Carol
- Michael Howard
Jeff PomerantzProfessor
Damon Evans- W.T. MartinMario, the Waiter
- Gary CooksonLab Technician
John TravoltaLab Technician (sem créditos)