Kill or Be Killed is a 1950 American crime film directed by Max Nosseck. It was written by Arnold Lippschitz, Max Nosseck and Lawrence L. Goldman and stars Lawrence Tierney, George Coulouris and Marissa O'Brien. It was released in April by Eagle-Lion Films. The sets were designed by art director Erwin Scharf.
An American engineer suspected of murder near the Amazon River uncovers a blackmail scheme and outwits deadly vipers on the path to an extramarital affair.