Harry O: 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! Harry O Crime, Action, Mystery 9/12/74 – 4/29/76 United States GeneralEpisodesCastCharactersGallery Characters See all characters → Det. Lieut. Manuel Quinlan Harry Orwell Lt. K.C. Trench