Guest Stars Beverley Elliott as Nurse Miller Kevin Mundy as Mike / Student #1 Barry Corbin as Prof. Rudy Sullivan Kim Hawthorne as Dr. Marissa Hamilton Chelsea Hobbs as Young Helen Banks (Age 14) Calum Worthy as Alien Calum Worthy as Kid Clown Rebecca Toolan as Helen Banks Ed Evanko as Dr. Braverman Eli Ranger as Head Clown
