Perhaps most well known for her recurring role as Susie Clark in The WB series Everwood, McCormick is also notable for her work in the films A Dog's Tale (as Haley Bennett) and Slow Moe (as Cindy).
She made her screen acting debut in the 1996 TV movie In the Blink of an Eye.
She played Carrie Ingalls in a video production tiled Beyond the Prairie: The True Story of Laura Ingalls Wilder.
She spent her early days in Salt Lake City, Utah.
She and Evan Rachel Wood were both in the cast of the 2001 film Little Secrets.