Cast Principale
Paul Stevens
Doctor Allan Barnes
Claudette Nevins
Pam Albright
Anne Collings
Miss Goodrich
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Bill Walker
Lieutenant Martin
Martin Lavut
Michael Radin
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Leo Leyden
Doctor Soames
Nessuna foto
Norman Ettlinger
Professor Quincey
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W.B. Brydon
Anderson (as Bill Bryden)
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Jim Moran
Jim Moran
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Eleanor Beecroft
Mrs. Kelly
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Ray Lawlor
Lab Technician
Nessuna foto
Rudi Linschoten
Mime in Nightmare
