Guest Stars Chris Gauthier as Vincent Trevor Jackson as Kevin Blake Tembi Locke as Grace Monroe Christopher Jacot as Larry Haberman Kavan Smith as Andy 2.0 Felicia Day as Holly Marten Wil Wheaton as Dr. Isaac Parrish Jordenn Thompson as Jenna Stark Roger Cross as Major William Shaw Co Starring Ileeya Brown as Jenna Stark Geoff Gustafson as Dr. Tuchman Elizabeth Thai as Dr. Yoo Leo Chiang as NPC Guard Jason Poulsen as Dr. Wells
