Special Guest Stars Justin Bieber as Jason McCann Guest Stars Jorja Fox as Sara Sidle Larry Mitchell as Officer Mitchell Marc Vann as Conrad Ecklie Alex Carter as Detective Vartann Larry Sullivan as Officer Akers Jeffrey D. Stevens as Paramedic Bill Irwin as Nate Haskell Reggie Watkins as Officer Clark Jude Ciccolella as Dr. Huxbee Sienna Guillory as Kacey Monahan Lindsay Pulsipher as Sally Rand Paris Tanaka as Doctor #1 Pete Gardner as Dr. Scott