Leonardo DiCaprio Plays Young Hotshot Stockbroker In ‘Wolf of Wallstreet’ [Official Trailer] Ms. Bels Thursday, June 20, 2013 5-4-3-2-1, The Script Fresh off the mega success of The Great Gastby, Leonardo DiCaprio will be back to the screen as a well-to-do stockbroker. The film “Wolf of Wallstreet” a memoir that has been adapted for film and directed by the famous Martin Scorsese. The memoir was written by John Belfort, who spent two years behind bars for crimes which involved stock market manipulation. Matthew McConaughey, Jonah Hill, and Jean Dujardin will also star in the film. Check out the trailer below…