STAND UP GUYS stars Academy Awardยฎ winners Al Pacino, Christopher Walken and Alan Arkin in a tough but touching action comedy as retired gangsters who reunite for one epic last night. But one of the friends is keeping a dangerous secret -- he has to kill his friend, and his time to find an acceptable alternative is running out. As the sun rises on the guys' reunion, their position becomes more and more desperate and they finally confront their pasts once and for all.