Dennis O'Neill: Dennis O'Neill. Actor: Walker, Texas Ranger. Dennis O'Neill is an American Award-winning actor, producer, director, writer of screenplays and books, and teacher. He also loves to teach and dance Ballroom dancing. In his Junior year in High Schoo, his assistant principal called him to the office and said, "O'Neill, there are two things I'm going to tell you. One, you'll never make it to your senior year. Two, you'll never...
Known For: Walker, Texas Ranger (BolandManny Alberado), Bail Out (Jimmy O'Neill), Surviving the Cartel (Frank Harper), In Plain Sight (Jasper Malone)