Ben Affleck was originally set to play Don Haskins, but pulled out of the project due to scheduling conflicts.
'Josh Lucas' gained forty-three pounds to play Coach Don Haskins.
Former coach Don Haskins was cast as an extra in the film as the gas station attendant.
Chicago Bulls guard Kirk Hinrich was offered a part in the movie, but had to turn it down due to schedule conflicts.
One of the sequences in the "historical" footage at the beginning of the movie is a computer generated shot made for Apollo 13 (1995).
The technical adviser for the basketball scenes was USC head coach Tim Floyd, who was chosen because of his closeness to the film's subject, Don Haskins. During the 1980s, Floyd was Haskins' top assistant coach at UTEP (formerly Texas Western). His father, Lee Floyd, was a longtime coach and also a former Texas Western basketball player.
Cameo: [Don Haskins] playing a gas station attendant on the recruiting trip.
Prosthetic ears, cheeks, and nose was added to Jon Voight to make his angular face more rounded like Coach Rupp.
The photo shown at the end of the movie is a photo of the real 1965-66 Texas Western team, rather than of the actors playing those parts in the film.