Including David Wall (Captain Swift), George De Carlton (George Gardner, Harry's friend), William H. Tooker (Marshall, Seabrook's butler), Frank Andrews (James Seabrook), Harry Spingler (Harry Seabrook, his son), Thomas O'Keefe (Michael Ryan, Queenstown detective), Iva Sheperd (Mrs Seabrook, mother of Swift), Maxine Brown (Mabel Seabrook), Ethel Wayne (Lady Stanton), Philip Robson (Sir James Stanton), and Emily Loraine (Mrs Marshall).