In Manhattan’s Upper West Side, rival gangs of Polish-Americans and newly arrived Puerto Ricans clash for control of the neighborhood, even as two young members from opposite sides fall dangerously in love.

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