Guest Stars Melissa Mabie as ADISN Maddie Phillips as Devon D'Marco Houston Stevenson as Zach Clarke Ash Lee as Charles Coyle Jody Thompson as Jenny Wallis Emily Delahunty as Tessa Wallis Isaiah Lehtinen as Gordon Whithemore / Ryker Whittaker Catherine Lough Haggquist as Dr. Allison Crawford Richard Ian Cox as Professor James Kato Marika Siewert as Flight Engineer Chris Bryant Joe Costa as Sam