The series will also star Jordan Elsass and Alexander Garfin
Tyler Hoechlin and Elizabeth Tulloch will reprise their roles as the iconic couple
The crossover will kick off on December 8
Elizabeth Tulloch has shared a behind-the-scenes look at Tom Welling and Tyler Hoechlin's Men of Steel on the set of…
The film arrives in September
Routh previously portrayed the Man of Steel in 2006's Superman Returns.
Samuel Anderson and Elizabeth Faith Ludlow have also boarded the project
The crossover event begins on December 9
Can You Keep a Secret? will based on Sophie Kinsella's book of the same name
Bigger puts a spotlight on early days of bodybuilding
The film also stars Tyler Hoechlin, Aneurin Barnard and Kevin Durand
The second half of Season 6 is set to premiere Sunday, July 30
Tyler Hoechlin has been spotted on the show's Vancouver set