Character mistake: When talking to Felix at the planetarium, he correctly states that Tycho Brahe's birthday is December 14, 1546. Later inside the planetarium, Felix says they are looking at the sky on Tycho's birthday, but then says in 1592. (00:18:20 - 00:19:05)
Character mistake: If you look at the piece of paper Neil takes from Agent Matthews the word "warrant" is misspelled as "warreant". (00:21:20)
Character mistake: When Neal tells Rebecca about an Indian Idol and describes the idol to her, she tells him it's the Hindu Idol of Seeta, the goddess of wealth. Actually the idol is of Goddess Laxmi.