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Casts
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Richard Egan
as David Sheppard
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Constance Dowling
as Joanna Merritt
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Herbert Marshall
as Dr. Van Ness
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John Wengraf
as Dr. Zeitman
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Philip Van Zandt
as Dr. Pierre Elzevir
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Byron Kane
as Dr. Carter
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Michael Fox
as Dr. Hubertus
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Aline Towne
as Dr. Kirby
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William Schallert
as Engle
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David Alpert
as Dr. Peter Burden