<Li> Anthony LaPaglia as Federal Bureau of Investigation Missing Persons Unit Supervisory Special Agent John Michael "Jack" Malone </Li> <Li> Poppy Montgomery as FBI MPU SA Samantha "Sam" Spade </Li> <Li> Marianne Jean - Baptiste as FBI MPU SA Agent Vivian "Viv" Johnson </Li> <Li> Enrique Murciano as FBI MPU SA Danny Taylor </Li>

Without a trace season 7 episode 20 cast