Guion

• Wilfred Lloyd Baumes — story
• Douglas S. Cramer — story
• Robert Bloch — story
• Robert Bloch — teleplay

Arte

• Ross Bellah — art direction
• Cary Odell — art direction
• John Franco Jr. — set decoration
• Phill Norman — title designer
• Audrey A. Blasdel — set decoration

Montaje

• Stan Ford — editor

Vestuario y maquillaje

• Ben Lane — makeup supervisor

Equipo técnico

• Roy Maples — special effects

Dirección

• Robert J. Anderson — assistant director
• Curtis Harrington — director

Producción

• Robert J. Anderson — associate producer
• Douglas S. Cramer — producer
• Sally Powers — casting

Sonido

• Leonard Rosenman — original music composer

Cámara

• Charles Rosher Jr. — director of photography

Reparto

• Meredith Baxter — Rena Carter
• David Hedison — Prof. Roger Edmonds
• Gale Sondergaard — Hester Black
• John Carradine — The Hotel Clerk
• Renne Jarrett — Sherry
• Keye Luke — The Thief - Joe Sung
• Kent Smith — Frank Lucas
• Stuart Whitman — Lt. Marco
• Milton Parsons — Deputy Coroner
• Peter Lorre Jr. — Pawnbroker
• John Abbott — Dr. Reinhart
• Virgil Frye — Donovan
• William Sims — Bert