Wolfe Barzell

饰：Elsu

约翰·阿什利

John Ashley

饰：Johnny Bruder

桑德拉·奈特

Sandra Knight

饰：Trudy Morton

Donald Murphy

饰：Oliver Frank

Sally Todd

饰：Suzie Lawler

Harold Lloyd Jr.

饰：Don

Felix Locher

饰：Prof. Carter Morton

约翰·伦巴

John Zaremba

饰：Police Lt. Boyle

罗伯特·迪克斯

Robert Dix

饰：Police Det. Bill Dillon

哈里·威尔逊

Harry Wilson

饰：The Monster

Voltaire Perkins

饰：Mr. Rockwell, Chemist

Charlotte Portney

饰：Frightened Housewife

Bill Coontz

饰：First Victim - Warehouseman

George Barrows

饰：Mack

佩奇·卡瓦诺

Page Cavanaugh

饰：Page Cavanaugh

Page Cavanaugh Trio

饰：The Page Cavanaugh Trio