Guest Stars John White, Jr. as Finn Brigid Brannagh as Pamela Moran Connor Christie as T.J. Jeremy Davidson as Chase Moran McCarrie McCausland as David Erin Krakow as Tanya Gabriel Skyler Day as Sophie Clarke Grant Goodeve as Col. Tom Levinson Dave Blamy as Dr. Gavin Hayes Cynthia Evans as Nurse Susan Gross Tara Polhemus as Kelsey Amy Locicero as Shaina Juanita Howard as Margaret Jones