Revealing mistake: Tanner Boatwright was used as a leg double for Augustus. In the part of the sex scene where they shoot from the feet up, you can see that the amputated thigh is thinner and has a slightly different colored tone of leg hair than Ansel's actual leg. (01:05:25)
The Fault in Our Stars (2014)
1 revealing mistake
Directed by: Josh Boone
Starring: Laura Dern, Shailene Woodley, Ansel Elgort, Nat Wolff
Continuity mistake: When Hazel shows her hand in support group (when Gus is present) the girl near her has her collar open but as she stands up the girl has her collar closed. (00:09:10)
Hazel: But, Gus, my love, I cannot tell you how thankful I am for our little infinity. I wouldn't trade it for the world. You gave me a forever within the numbered days, and I'm grateful.
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