The character has been portrayed by Bryce Dallas Howard in the 2007 film Spider-Man 3 and by Emma Stone in the 2012 reboot film The Amazing Spider-Man and its sequel The Amazing Spider-Man 2. In the upcoming 2018 film Spider-Man: Into the Spider-Verse, the character will be voiced by Hailee Steinfeld.

Who played gwen stacy in the amazing spider man? Okie... think carefully first, then make a decision:
The relevant information to answer the above question is: The character has been portrayed by Bryce Dallas Howard in the 2007 film Spider-Man 3 and by Emma Stone in the 2012 reboot film The Amazing Spider-Man and its sequel The Amazing Spider-Man 2. So, the answer is Emma Stone.