two seemingly unrelated murder have take place while police doctor chet walker ( richard denning ) discover that the killer be themselves in fact dead and and be be manipulate and use radioactivity and to commit various nefarious deed . an early variation on zombie movie and this be fun and likable stuff from the mind of curt siodmak and the legendary and prolific writer behind such memorable fright fare a the wolf man . the script be intrigue and albeit full of the technically loaded exposition common to film of the era . you have certainly get to give the villain of this story credit for come up with such an ingenious idea and and it provide for some nice touch ( the villain use a tv to see what his unwitting killer be see ) . director edward l. cahn move it at a steady pace ( one thing i love about many of these old movie be that they be often over in record time and with a refresh lack of filler ) while it breezy and humorous genre fare that benefit from it stolid cast while handsome denning be an engaging lead and with nice support turn by s. john launer a his good friend ( captain and uncle dave harris ) and michael granger a the cold eyed and vengeance craze gangster frank buchanan and and gregory gay a the brilliant scientist in buchanan employ . this all lead to a fairly memorable climax where the impossible to kill assassin be battle the cop . it the perfect capper on 70 minute of straightforward b movie entertainment . positive .