Fermat's Room Word Search Puzzle – Search Characters, Actors and Actresses. Word Search Puzzle Solver. Four mathematicians who do not know each other are invited by a mysterious host on the pretext of resolving a great enigma. The room in which they find themselves turns out to be a shrinking room that will crush them if they do not discover in time what connects them all and why someone might wish to murder them. 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 : Lluís Homar, San Yélamos, Núria Badia, Santi Millán, Alejo Sauras, Mar del Hoyo, Ariadna Cabrol, Federico Luppi, Helena Carrión, Elena Ballesteros .