Fan Casting Ryan Simpkins as Adult Mary Bell in The 10-Year Old Killer

Ryan Simpkins is known for her roles in Revolutionary Road, A Single Man, and Fear Street: 1978. She has been suggested by fans for 72 roles on myCast, including Ghoulia Yelps in Monster High. Similar actors include Elle Fanning, Sydney Sweeney, and Olivia Scott Welch. Ryan Simpkins was suggested to play Adult Mary Bell in The 10-Year Old Killer by ajcharles. Other actors sugggested to play this role include Olivia DeJonge. The 10-Year Old Killer has 14 roles, including Mary Bell, Mary Bell's 14 year old daughter, and Teenage Mary Bell.