It STRIKES...and STRIKES again!
 
Two scientists discover a serum that changes humans into cat-like killers. One thinks they should  stop but the other thinks they should  continue, and the bodies start piling up. 
 
Original Release: 1948
TRT: 64min
Rating: NR
Format: Digital Download
B/W
English
Starring: Eduardo Ciannelli, Onslow Stevens, & June Vincent
Directed By: Jean Yarbrough