When Worlds Collide is a 1951 American Technicolor science fiction film from Paramount Pictures, produced by George Pal, directed by Rudolph Maté and starring Richard Derr, Barbara Rush, Peter Hansen and John Hoyt. When Worlds Collide is based on the 1933 science fiction novel of the same name, co-written by Philip Wylie and Edwin Balmer. The film concerns the coming destruction of the Earth by the rogue star Bellus and the desperate efforts to build a space ark that will save and transport a small portion of humanity to the star's single orbiting planet, Zyra. ... more on Wikipedia