Dr. Morgan and Dr. Cavigny star as a brace of scientists who return from the West Indies with a potent, phosphorescent serum that allegedly changes human beings into cats.

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Main Cast: Eduardo Ciannelli, Onslow Stevens, June Vincent, Ralph Morgan, Janis Wilson, John Baragrey, Richard Lane, Philip Ahn, Lotte Stein, Ralph Peters

Director: Jean Yarbrough

Writer: Maurice Tombragel

Editor: Saul A. Goodkind

Cinematographer: George Robinson

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