Guest Stars Brynn Thayer as Col. Rebecca Hodges Leslie Hardy as Dr. Valerie West Brad Rowe as Zack Rossler Kimberly Huie as Hannah McCray Timothy Omundson as Kent Butler Stanley Kamel as Grissom Brian Cousins as Dr. Koenig Michael Harris as Kyle Corbin Co Starring Christian Copelin as Christopher McCray Doug Waldo as Dr. Whelan
