China Anne McClain and Sierra McCormick in IntelligANT (2012)

China Anne McClain and Sierra McCormick in EndurANTs (2012)

Sierra McCormick in PatANT Pending (2012)

China Anne McClain, Sierra McCormick, and Jake Short in A.N.T. Farm (2011)

Sierra McCormick and Karan Brar in Jessie (2011)

Cameron Boyce and Sierra McCormick in Jessie (2011)

China Anne McClain and Sierra McCormick in A.N.T. Farm (2011)

Sierra McCormick and Jake Short in A.N.T. Farm (2011)

China Anne McClain, Zach Steel, and Sierra McCormick in A.N.T. Farm (2011)

China Anne McClain, Sierra McCormick, and Aedin Mincks in A.N.T. Farm (2011)

Sierra McCormick, Jake Short, and Michael Weisman in A.N.T. Farm (2011)

Dominic Burgess, China Anne McClain, Sierra McCormick, Jake Short, and Aedin Mincks in A.N.T. Farm (2011)

China Anne McClain, Sierra McCormick, Jake Short, Aedin Mincks, and Michael Weisman in A.N.T. Farm (2011)

Sierra McCormick in The Vast of Night (2019)

Ryan Masson and Sierra McCormick in The Last Stop in Yuma County (2023)

Jared Gilmore and Sierra McCormick in A Nanny for Christmas (2010)

Sierra McCormick in The Vast of Night (2020)

Sierra McCormick and Jake Horowitz in The Vast of Night (2019)

Sierra McCormick, Jake Horowitz, Mark Banik, and Cheyenne Barton in The Vast of Night (2019)

Kirk Griffith, Sierra McCormick, and Jake Horowitz in The Vast of Night (2019)

Sierra McCormick and Mackenzie Holmes in Are You Smarter Than a 5th Grader? (2007)

Carlon Jeffery, Sierra McCormick, and Jake Short in A.N.T. Farm (2011)

Jeff Foxworthy, Jimmy Phan, Cody Benjamin Lee, Sierra McCormick, Nathan Lazarus, and Mackenzie Holmes in Are You Smarter Than a 5th Grader? (2007)

Sierra McCormick and Aedin Mincks in A.N.T. Farm (2011)

Sierra McCormick in CSI: Crime Scene Investigation (2000)

George Wendt, Stephen Lang, Fred Williamson, William Sadler, Martin Kove, David Patrick Kelly, Sierra McCormick, and Tom Williamson in VFW (2019)

Bo Derek, Shelley Long, Sierra McCormick, and Brighton Sharbino in The Christmas Trap (2018)