Michael Schultz (who also produced the movie, along with Doug McHenry). This film is based on the early days of Def Jam Recordings and up-and-coming record producer Russell Simmons (re-named Russell Walker in the film), portrayed by Blair Underwood in his feature film debut. Russell Simmons was the film's co-producer and story consultant; he also has a cameo role in the film as a club owner named Crocket. In the movie, Russell Walker has signed all of the hottest acts to his Krush Groove ...