-LRB- Scott -RRB- ` KISS KISS , BANG BANG ' -LRB- R , 103 minutes -RRB- Clever and dumb at the same time , this hectic pastiche of Los Angeles noir conventions offers opportunities for Robert Downey Jr. , Val Kilmer and Michelle Monaghan to have a good time with hard-boiled dialogue , and the audience to have a few laughs watching them .