Suggestions by @raspberryribbons

Timothée Chalamet

as Nefarious Jones in Spy School

Lana Condor

as Jesica Shang in Spy School

Rowan Blanchard

as Piper McLean in Percy Jackson & the Olympians

Sabrina Carpenter

as Annabeth Chase in Percy Jackson & the Olympians

Shawn Mendes

as Percy Jackson in Percy Jackson & the Olympians

Evanna Lynch

as Luna Lovegood in Harry Potter (Perfect Casting)

Karen Gillan

as Lily Evans Potter in Harry Potter (Perfect Casting)

Imelda Staunton

as Dolores Umbridge in Harry Potter (Perfect Casting)

Lucky Blue Smith

as Draco Malfoy in Harry Potter (Perfect Casting)

Timothée Chalamet

as Frank Hardy in The Hardy Boys

Tom Holland

as Alex Rider in Alex Rider

Maya Rudolph

as Aunt Gertrude in The Hardy Boys

Marisa Tomei

as Laura Hardy in The Hardy Boys

Gig Morton

as Murray Hill in Spy School