A shipping tycoon with a record becomes a suspect when money goes missing from the company vault.
| Actor | Role |
|---|---|
 Stewart GrangerJohn Brent | John Brent |
 Haya HarareetNicole Brent | Nicole Brent |
 Bernard LeeD.S. Frank Hanbury | D.S. Frank Hanbury |
 Hugh BurdenCharles Standish | Charles Standish |
 Lee MontagueD.I. Tom Henderson | D.I. Tom Henderson |
 Melissa StriblingHelen Standish | Helen Standish |
 Conrad PhillipsDr. Alan Richford | Dr. Alan Richford |
| JJohn LeeClive Lang | Clive Lang |
 Norman BirdRalph Beldon | Ralph Beldon |
 Peter IllingStrakarios | Strakarios |
 Basil DignamLyle | Lyle |
| WWilliam FoxBrinton | Brinton |