In the slums of the upper West Side of Manhattan, tensions are high as a gang of Polish-Americans compete against a gang of recently immigrated Puerto Ricans, but this doesn't stop two romantics from each gang falling in love.

• Seven Arts Productions
• The Mirisch Company
• Natalie Wood
• Richard Beymer
• Russ Tamblyn
• Rita Moreno
• George Chakiris
• Simon Oakland
• Ned Glass
• William Bramley