A deep-sea salvage expert enacts an elaborate plan to infiltrate and take revenge on a criminal organization that dealt him a foul misdeed.
| Actor | Role |
|---|---|
 Barry NewmanJohn Talbot | John Talbot |
 Suzy KendallSarah Ruthven | Sarah Ruthven |
 John VernonVyland | Vyland |
 Dolph SweetJablonsky | Jablonsky |
 Ben KingsleyRoyale | Royale |
 Ray McAnallyRuthven | Ruthven |
 Peter MarinkerLarry | Larry |
 Roland BrandDeputy | Deputy |
 Tony AnholtFBI Agent | FBI Agent |
 Elliott SullivanJudge Mollison | Judge Mollison |
 John AldersonTanner (uncredited) | Tanner (uncredited) |
| JJames Berwick(uncredited) | (uncredited) |
| HHal GaliliCibatti (uncredited) | Cibatti (uncredited) |
| EErnie HeldmanBartender (uncredited) | Bartender (uncredited) |