Alexander Ludwig is an actor known for his role as Cato in The Hunger Games and as Björn Ironside on History Channel’s Vikings. He also starred in the Disney film Race to Witch Mountain, alongside Dwayne Johnson and Anna Sophia Robb. His other credits include the series Swerve and the films When the Game Stands Tall, Lone Survivor and Grown Ups 2. He can be seen in the upcoming film Bad Boys for Life and the TV series Heels.