Claim: The Divergent Series: Allegiant is part of a feature film series.

Ansel Elgort -LRB- born March 14 , 1994 -RRB- is an American actor and singer . As a film actor , he played Tommy Ross in Carrie -LRB- 2013 -RRB- , Caleb Prior in The Divergent Series -LRB- 2014 -RRB- and Augustus Waters in The Fault in Our Stars -LRB- 2014 -RRB- .