Guest Stars Melinda Culea as Karin Berquist Andrew J. Robinson as Dr. Ian Detweiler Thomas F. Duffy as Officer Jeffrey Cahn Michael Mantell as Dr. James Riley David Starwalt as Officer Fiedler Co Starring James Michael Connor as Jake Conroy Dana Lee as Yee Treva Tegtmeier as Peggy Adrienne Wilde as Nurse Lisa Picotte as Stacey Muir Yau-Gene Chan as Woo Tuan Tran as Fong Mady Levin as Angie