When Worlds Collide Word Search Puzzle – Search Characters, Actors and Actresses. Word Search Puzzle Solver. When a group of astronomers calculate a star is on a course to slam into Earth a few days before it's accompanying planet will first pass close enough to the Earth to cause havoc on land and sea. They set about building a rocket so a few selected individuals can escape to the planet. 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 : Kirk Alyn, John Hoyt, Gay Nelson, Edna Smith, Paul Frees, Frank Cady, Rachel Ames, Mary Murphy, Hayden Rorke, Peter Hansen, Richard Derr, Barbara Rush, Gene Collins, Sandro Giglio, Stephen Chase .