Suggestions by @davidaustinthompson

David Mazouz

as Todd Maplewood in Ben 10 Fan Cast

Rhys Ifans

as Gatorboy in Ben 10 Fan Cast

Julianne Moore

as Vera Tennyson in Ben 10 Fan Cast

Sarah Michelle Gellar

as Gwen's Diamondhead in Ben 10 Fan Cast

Jamie Foxx

as Kraab in Ben 10 Fan Cast

Willem Dafoe

as Dr. Animo in Ben 10 Fan Cast

John Cena

as Tetrax Shard in Ben 10 Fan Cast

Sabrina Carpenter

as Lucy Mann in Ben 10 Fan Cast

David Hornsby

as Wildvine in Ben 10 Fan Cast

Roger Craig Smith

as Diamondhead in Ben 10 Fan Cast

Woody Harrelson

as Ghostfreak in Ben 10 Fan Cast

Zendaya

as Kai Green in Ben 10 Fan Cast

Bryan Cranston

as Grandpa Max in Ben 10 Fan Cast

Tom Hardy

as Vilgax in Ben 10 Fan Cast

Anya Taylor-Joy

as Charmcaster in Ben 10 Fan Cast

Timothée Chalamet

as Kevin Levin in Ben 10 Fan Cast

Henry Cavill

as Ben 10,000 in Ben 10 Fan Cast

Dwayne Johnson

as Four Arms in Ben 10 Fan Cast

Sadie Sink

as Gwen Tennyson in Ben 10 Fan Cast

Tom Holland

as Ben Tennyson in Ben 10 Fan Cast