Mel Gibson:Martin Riggs;Danny Glover:Roger Murtaugh;Joe Pesci:Leo Getz;Rene Russo:Lorna Cole;Stuart Wilson:Jack Travis;Steve Kahan:Captain Ed Murphy;Mary Ellen Trainor:Stephanie Woods;Darlene Love:Trish Murtaugh;Traci Wolfe:Rianne Murtaugh;Ebonie Smith:Carrie Murtaugh;Damon Hines:Nick Murtaugh