Svengoolie: The Fly (1958)

 

Directed by Kurt Neumann. David Hedison, Patricia Owens, Vincent Price, Herbert Marshall. 

https://en.wikipedia.org/wiki/The_Fly_(1958_film)

https://www.dvdtalk.com/dvdsavant/s4297flytalk.html 

https://thespinningimage.co.uk/cultfilms/displaycultfilm.asp?reviewid=2882

https://www.tcm.com/articles/1082447/the-fly-1958