Guest Stars Nicholas Campbell as Grandpa Gordon Cooper Oluniké Adeliyi as Noor Ermias Nicola Correia-Damude as Kelly Hart Walter Borden as Harold Carruthers Co Starring Jeffrey R. Smith as Dr. Casey Winter Chris Violette as Jacen Kalla Andrew Moodie as Damon Carruthers Tanisha Thammavongsa as Christine Fanto Kyra Harper as Gwen Brightman