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Reparto (17)

Lon Chaney Jr.Prof. Norman ReedAnne GwynnePaula Clayton ReedEvelyn AnkersIllona CarrRalph MorganProf. Millard SawtelleElisabeth RisdonDean Grace GunnisonLois CollierMargaret MercerHarry HaydenDean Septimus CarrElizabeth RussellEvelyn SawtellePhil BrownDavid JenningsKay HardingStudentGertrude AstorParty Guest (uncredited)Edmund MortimerParty Guest (uncredited)Larry SteersParty Guest (uncredited)Chuck HamiltonThe Carpenter (uncredited)David HoffmanThe Spirit of the Inner Sanctum (uncredited)William HudsonSecond Gossiping Male Student (uncredited)Milburn Stone

Arte

• Richard H. Riedelart direction
• Russell A. Gausmanset decoration
• John B. Goodmanart direction
• A.J. Gilmoreset decoration

Cámara

• Virgil MillerDirección de fotografía

costume & make-up

• Vera Westcostume designer

Dirección

• Reginald Le BorgDirección
• William Tummelassistant director

Montaje

• Milton CarruthMontaje

Producción

• Oliver Drakeassociate producer
• Ben PivarProductor

Sonido

• Bernard B. Brownsound director
• William HedgcockSonido
• Paul Sawtelloriginal music composer

Efectos visuales

• John P. FultonEfectos visuales

Guion

• Scott Darlingadaptation
• Fritz Leiber Jr.novel
• Brenda WeisbergGuion