Guest Stars Natalie Brown as Sarah David Richmond-Peck as Commander Nieman Brendan Murray as Victor Seán Cullen as Professor Brophey Eugene Clark as Sheriff Vargas Tomaso Sanelli as Jake Peter DaCunha as Ethan Adrianna Di Liello as Madison Co Starring Katie Griffin as Debra Connor Jim Annan as Miles Connor Laura Cilevitz as Guest #1 Megan Murphy as Deputy Inman Nicholas Van Burek as Law Inforcement Officer #4 Christine Cleary as Law Inforcement Officer #1 Paul Rutledge as Law Inforcement Officer #2 Dan Iaboni as Law Inforcement Officer #3 Uncredited Melissa O'Neil as Portia Lin (parallel universe) Anthony Lemke as Marcus Boone (parallel universe)