Special Guest Stars Mena Suvari as Allison Crowley John Cena as Ewan O'Hara Guest Stars Kurt Fuller as Dr. Woodrow Juniper "Woody" Strode Jimmi Simpson as Dr. Mary Lightly Jazmyn Simon as Selene Gilmore Ralph Macchio as Nicholas "Nick" Conforth Zachary Levi as Thin White Duke Emma Tremblay as Iris Vick Robert LaSardo as El Proveedor Sam Huntington as Sam Sloan Julianna Guill as Dr. Butterfly McMillan Charlotte as Heather Rockrear Carlos Jacott as Gus's Boss Co Starring Sage Brocklebank as Buzz McNab Nathan Mitchell as Black Gentleman Ninja Seth Whittaker as EP Henchman #3 Mark Acheson as Beaten Criminal Dexter Bell as Security Guard S.E. Hinton voices Pony in a Onesie