Special Guest Stars Matt Letscher as Eobard Thawne / Reverse Flash Matt Ryan as Dr. Gwyn Davies Guest Stars Timothy Webber as The Proprietor Co Starring Anthony Timpano as Hotshot #2 Trezzo Mahoro as Hotshot #1 Rady Panov as Gavrilo Princip Chris Olson as Hotshot #3 Marc Gaudet as Archduke Franz Ferdinand Mark Krysko as Second Finger Tyson Arner as First Finger Dan Ginnane as Time Traveller Gurb Johal as Patron #2 Keara Barnes as Sophie, Duchess of Hohenberg Seth Marks as Patron #1