Conversation so far:
Who did the casting for Chapter 27?
Casting By Sig De Miguel,Cathy Sandric, Gelfond,Amanda Mackey
Who was Alexandra Milchan for Chapter 27?
Alexandra Milchan was one of the movie's producers.
How did Alexandra Milchan get Jared Leto to play a role?
With the help of producers Alexandra Milchan and Robert Salerno, Schaefer cast Jared Leto as Mark David Chapman.
What other films was Jared Leto in besides Chapter 27?
Jared Leto was also in hit movies like Fight Club, Requiem For A Dream, and American Psycho.
How much weight did Jared Leto gain for Chapter 27?
For his role, Leto gained 67 pounds by drinking microwaved pints of ice cream mixed with soy sauce and olive oil every night.
Did Jared Leto make any other comments about the weight gain for Chapter 27?
Gaining the weight, he said, was tougher than dieting himself into skeletal shape for his role as drug addict Harry Goldfarb in Requiem for a Dream.
Has Jared Leto lost all the weight gained from Chatper 27?
Losing the excess weight after Chapter 27 proved a challenge. It took about a year to get back to a place that felt semi-normal, he said.

Question: What problems did it give him?
Self-contained rewrite: What problems did the weight gain for Chatper 27 give Jared Leto?