Echo: Cast 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! Echo Science-Fiction, Drama NBC United States GeneralEpisodesTranslationsCastCharactersGallery Cast See full cast → Janina Gavankar as Mel Goodwin Reid Scott as David Richard Brooks as Carl Gaines Wesam Keesh as Riley Burnside
