An American seeking adventure in Graustark strikes up an acquaintance with six-year-old Prince Robin and his Aunt Lorraine. The next day, Truxton overhears a plot against the prince and is taken prisoner. He escapes to rescue both Prince Robin and Lorraine, and to prevent an attack on the castle. Truxton's love for Lorraine leads to marriage when she reveals that she, too, is American.
| Actor | Role |
|---|---|
 John GilbertTruxton King | Truxton King |
 Ruth CliffordLorraine | Lorraine |
 Frank LeighCount Marlaux | Count Marlaux |
 Michael D. MoorePrince Robin | Prince Robin |
 Otis HarlanHobbs | Hobbs |
 Rube MillerCount Carlos Von Enge | Count Carlos Von Enge |
| RRichard WayneJohn Tullis | John Tullis |
 Willis MarksWilliam Spanz | William Spanz |
 Winifred BrysonOlga Platanova | Olga Platanova |
| MMark FentonBaron Dangloss | Baron Dangloss |