Guest Stars Kacey Rohl as Marina Andrieski (Timeline 23) Uncredited Olivia Taylor Dudley as Alice Quinn (Timeline 23) Rick Worthy as Dean Henry Fogg (Timeline 23) Hale Appleman as Eliot Waugh (Timeline 23) Summer Bishil as Margo Hanson (Timeline 23) Jason Ralph as Quentin Coldwater (Timeline 23) Trevor Einhorn as Josh Hoberman (Timeline 23)