Casper's New Adventure is a 2017 family-fantasy comedy film based on a the Casper the Friendly Ghost animated cartoons and comic books. It is a sequel to the 1997 film Casper: A Spirited Beginning, and the 1998 film Casper meets Wendy, and a prequel to the 1995 film, Casper.
Four kids and their widower father meets up with Casper and his ghostly uncles.
- Emily Alyn Lind as Cassie Horvitz, the 13-year-old main protagonist
- Elle Fanning as Miranda Horvitz, Cassie's 17-year-old sister
- Aiden Longworth as David Horvitz, Cassie's 11-year-old brother
- Mia Talerico as Jenny Horvitz, Cassie's 8-year-old sister
- Christopher Meloni as Robert Horvitz, the father of Cassie, Miranda, David, and Jenny
- Max Charles as Casper
- Dee Bradley Baker as Stinkie
- Tom Kenny as Stretch
- Kevin Michael Richardson as Fatso
- Zach Callison as Spooky
- Isabella Acres as Poil