LD 50 Lethal Dose Word Search Puzzle – Search Characters, Actors and Actresses. Word Search Puzzle Solver. Re-formed by a coded message to their web site a group of animal rights activists set off to free an imprisoned colleague from a terrifying ordeal. Their rescue mission leads them to a disused lab but what should have been a simple raid turns into a series of twisted and mind bending incidents where the free and the caged switch places in this tormented psychological horror. Find out the following actor, actress, character names, and other movie-related words hidden in this word search puzzle based on this movie.. This includes identifying and searching for words that are related to : Mel B, Leo Bill, Tom Hardy, Toby Fisher, Ross McCall, Stephen Lord, Katharine Towne, Philip Winchester .