Watch Sea Horses for Free: How to Stream the Movie Online at 123Movies. . Sea Horses is a 1926 American drama silent film directed by Allan Dwan and written by Becky Gardiner, James Shelley Hamilton and Francis Brett Young. The film stars Jack Holt, Florence Vidor, William Powell, George Bancroft, Mack Swain, Frank Campeau and Allan Simpson. The film was released on February 22, 1926, by Paramount Pictures. It is considered a lost film.