Guest Stars Sebastian Spence as Young Gerry Timothy Webber as Dep. Middleton Mel Harris as Dr. Christina Markham Harold Gould as Gerry Geraint Wyn Davies as Sheriff Grady Markham April Telek as Young Lucy Corrie Clark as Young Sylvia Heather Hanson as Young Helen Betty Linde as Sylvia Maxine Miller as Helen Co Starring David Lewis as Deputy A.J. Unger as Peter Maria Louisa Figura as Virginia Masters Crystal Cass as Alien Lindsay Bourne as Administrator Walter Marsh as Dr. O'Keefe
