Name: 50/50
Released: 2011

50/50 (2011): trivia & fun facts

James McAvoy was going to play the lead role before he left the film for personal reasons, as he was afraid of missing the birth of his first child, and was replaced by Joseph Gordon-Levitt.
The film is loosely inspired by Reiser's own experience with cancer, with Gordon-Levitt’s character Adam based on Reiser himself.
The screenplay is loosely based on the experience of screenwriter Will Reiser, friend of the film's co-lead, Seth Rogen.
Rogen recalled, "It was the first day of filming, and we improvised the whole thing, which is not wise when it's something you have one take for, but it turned out funny."
Principal photography took place in Vancouver over a five-week period, beginning in March 2010.
50/50 was released on September 30, 2011, and grossed $41 million.

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