SpoilerTV Image Archive | Gallery | Masters of Sex | Season 4 | Promotional Episode Photos | Episode 4.04 - Coats or Keys | Caitlin Fitzgerald as Libby Masters and David Walton as Abe Perlman in Masters of Sex (season 4, episode 4) - Photo: Warren Feldman/SHOWTIME - Photo ID: MastersofSex_404_0019
