Allegiance: Characters Rate: –☹️ Very Bad🙁 Bad😐 Average🙂 Good😃 Excellent🤩 Super! ★ Save Rating✔ Rating Saved! Notify me: –about new episodeabout new seasonabout end of season Subscribe✔ Subscription Saved! Allegiance Drama, Crime, Thriller 2/5/15 – 4/30/15 NBC United States https://www.nbc.com/allegiance?nbc=1 GeneralEpisodesTranslationsCastCharactersGallery Characters See all characters → Alex O'Connor Katya O'Connor Natalie O'Connor Victor Dobrynin Mark O'Connor Sam Luttrell Sarah O'Connor Julia Marcus