'Shanghai. Lieutenant escapes from spies and regains stolen plans.' (British Film Catalogue)
| Actor | Role |
|---|---|
 Henry EdwardsLieutenant Dicky Lascelles | Lieutenant Dicky Lascelles |
| FFrederick MaynhamColonel William Thesiger | Colonel William Thesiger |
| FFewlass LlewellynSir Berkeley Wynne | Sir Berkeley Wynne |
 Lilian OldlandSybil Wynne | Sybil Wynne |
| AAlbert EgbertBill | Bill |
| SSeth EgbertWalter | Walter |
 Lyn HardingThe Sinister Influence | The Sinister Influence |
| VVivian BaronAh Loom | Ah Loom |
| IIsabel JeansPauline Alexander | Pauline Alexander |