Jordan Belfort
Belfort is a stockbroker who makes his way to money through scamming penny stock buyers until he's able to work his way up to owning his own Wall Street firm. There he and his business partners continue the unscrupulous practice of scamming people out of their money in order to increase the windfall of profits coming to them. He's eventually arrested and must serve prison time.
Donnie Azoff
Azoff becomes business partners with Belfort after he sees the car he drives and a check Jordan made from his business. Once he sees the check he is all in with Jordan and rides the wave of manipulation and profit all the way to Wall Street with him as they party hard and literally do as they please.
Naomi
Naomi and Jordan have an affair after he sees her at a party and wants to be with her. She falls for him and they marry. However, Jordan's hard partying and scheming begin to create a divide between the couple as his lifestyle leads eventually to jail time.
Mark Hanna
Hanna employs Belfort at L.F. Rothschild. Mark is a man who introduces Jordan to the hard partying stockbroker lifestyle. Soon after Black Monday happens and Jordan is let go, as are most stockbrokers. Hanna eventually is arrested as well.
Agent Denham
Denham is with the FBI and is after Belfort and his cronies for stock fraud. He antagonizes Jordan throughout the film, but cannot pin anything on him until Jean Jacques Saurel informs on Jordan to the FBI and gives them the evidence to arrest him.
Brad
Brad is a hotheaded stockbroker that works with Belfort and eventually comes to blows with Donnie and is arrested. But he's loyal to a fault as he doesn't give anyone up while he's being interrogated.
Jean Jacques Saurel
Saurel is a dirty banker is Switzerland who's willing to launder Belfort's money for him. But Saurel becomes the downfall for Jordan as he gives up Jordan to the FBI years later after he's arrested in Florida for something unrelated to Jordan.
