You may be thinking of:
* Rogue Trader (1999): This is a British biographical crime film about Nick Leeson, a trader who caused the collapse of Barings Bank. This film stars Ewan McGregor as Nick Leeson and Anna Friel as Lisa, Leeson's wife.
* Rogue Trader (2007): This is a film about a group of teenagers who are hired to steal rare artifacts. This film stars Sam Worthington, Radha Mitchell, and Aidan Gillen.
It's possible there's another film with a similar name, but it's important to know which one you're asking about to give you the correct cast list.