| Florence La Badie (Florence Gray Hargreave) |
| Marguerite Snow (La comtesse Olga Petroff) |
| James Cruze (Jim Norton, le reporter) |
| Frank Farrington (Braine, un conspirateur) |
| Sidney Bracey (Jones) |
| Alfred Norton (Stanley Hargreave, le millionnaire) |
| Lila Chester (Susan Farlow, une amie de Florence) |
| Creighton Hale (Un membre du gang) |
| Mitchell Lewis (Le chef du gang) |
| Donald Gallagher |
| Madeline Fairbanks |
| Marion Fairbanks |
| Claire Kroell (La princesse russe Parlova) |
| William A. Sullivan |
| Baby Julie Cruze |
| Albert C. Froome (Un conspirateur) |
| Nick Woods |
| Carey L. Hastings |
| Arthur Bauer |
| Eugene Moore |
| Irving Cummings |
| Mignon Anderson |
| John Burke (Episode 21) |
| Peggy Burke (Un espion pour les conspirateurs) |
| Champ Clark (Episode 21) |
| Laddie la chienne |
| Shep le chien |
| The Duke of Manchester (Episode 7) |
| Lindley M. Garrison (Episode 21) |
| Alexander Hall |
| Roy Hauck |
| Morgan Jones |
| Dave Keleher |
| Thomas R. Marshall (Episode 21) |
| Charles Meade |
| Lydia Mead |
| Billy Noel |
| Joseph Phillips |
| A. Leo Stevens (L'aviateur) |
| Mae Tinee (Episode 11) |
| May Wallace (La femme) |
| Archibald White (Episode 7) |