Part II: Vincent Kartheiser dodges a question about Jon Hamm's penis size and Gabriel Mann reveals if he does his own stunts on "Revenge."
Part I: Gabriel Mann describes what he brought to his "Revenge" character and Vincent Kartheiser sounds off on his #WWHL experience.
Vincent Kartheiser and Gabriel Mann guess the ages of celebrities in this #WWHL gamelet.
Vincent Kartheiser reveals which Mad Men bombshell Pete Campbell would rather bed.
Andy Cohen channels James Lipton as he interviews Vincent Kartheiser and Gabriel Mann.
Gabriel Mann shows Andy Cohen how to pull off a sinister "Revenge" hug.
Andy reveals if another 'Housewives' franchise is in the works and shows off his birthday present from Jimmy Fallon!