Suggestions by @joshthomas

Liam Neeson

as Master Org in Power Rangers Wild Force

Liam Neeson

as Master Org in Zordon of Eltar

Bill Skarsgård

as Lord Zedd in Zordon of Eltar

Mia Goth

as Rita Repulsa in Zordon of Eltar

Austin Butler

as Phantom Ranger in Zordon of Eltar

Austin Butler

as Phantom Ranger in Power Rangers in Space

Daisy Edgar-Jones

as Rebecca in Thomas the Tank Engine

Steven Yeun

as Adam Park in Power Rangers Operation Overdrive

Keanu Reeves

as Norrin Radd/Silver Surfer in Marvel Studios' Fantastic Four trilogy

Tanner Buchanan

as Tommy Oliver in Power Rangers

Nick Robinson

as Jason Lee Scott in Power Rangers

Dave Bautista

as Goldar in Mighty Morphin Power Rangers

Lance Lim

as Adam Park in Power Rangers in Space

Levi Miller

as J.J. Oliver in Power Rangers: Soul of the Dragon

David Tennant

as Finster in Power Rangers: Soul of the Dragon

Nathan Fillion

as Blue Senturion in Power Rangers: Soul of the Dragon

Brad Pitt

as Anubis "Doggie" Cruger in Power Rangers: Soul of the Dragon

Sabrina Carpenter

as Sydney "Syd" Drew in Power Rangers: Soul of the Dragon

Alexa Demie

as Elizabeth "Z" Delgado in Power Rangers: Soul of the Dragon

Austin Abrams

as Bridge Carson in Power Rangers: Soul of the Dragon