While a group of young actors rehearse a new musical about a mass murderer, a notorious psychopath escapes from a nearby insane asylum.
Alicia
Peter
Danny
Laurel
Brett
Willy
Sybil
Police Chief
Old Cop
Young Cop (uncredited)
Irving Wallace
Corinne
Mark
Betty
Ferrari
Dr. Porter
Nurse
Dancer
Dancer
Dancer
Dancer
Dancer
Dancer
Dancer
Dancer
Dancer
Dancer
Irving Wallace (mask scenes only)
Journalist (uncredited)
