Jansen Panettiere is an American actor. He had his career beginnings in the 2000s. Initially, he had guest roles in Even Stevens, Hope & Faith, Third Watch, and Blue’s Clues, among others. He later voiced Robby Hobbie in the animated television special Holly Hobbie and Friends: Surprise Party. In 2005, he made his film debut with a voice role in the animated movie Racing Stripes. He went on to star in the movie The Babysitters, followed by performances in the films The Secrets of Jonathan Sperry, The Perfect Game, The Lost Medallion: The Adventures of Billy Stone, and The Forger. His most recent work on television was as Casper in The Walking Dead.