Suggestions by @galacticfairytail

Mark Hamill

as Igneel in Star Wars and Fairy Tail (live action)

Carrie Savage

as Lisanna Strauss in Star Wars and Fairy Tail: Sun Village arc

Sam Witwer

as Chancellor Palpatine in Star Wars: The Clone Wars and Fairy Tail Zero

Leah Clark

as Mavis Vermillion in Star Wars and Fairy Tail: Eclipse Celestial Spirits arc

Bill Jenkins

as Jude Heartfilia in Star Wars and Fairy Tail: The Clone Wars

Cherami Leigh

as Layla Heartfilia in Star Wars and Fairy Tail: The Clone Wars

Newton Pittman

as Gray Fullbuster in The Simpsons Meets Star Wars and Fairy Tail

Harry Shearer

as Otto Mann in The Simpsons Meets Star Wars and Fairy Tail

Hank Azaria

as Carl Carlson in The Simpsons Meets Star Wars and Fairy Tail

Hank Azaria

as Dr. Nick in The Simpsons Meets Star Wars and Fairy Tail

Hank Azaria

as Bumblebee Man in The Simpsons Meets Star Wars and Fairy Tail

Hank Azaria

as Captain McCallister in The Simpsons Meets Star Wars and Fairy Tail

Hank Azaria

as Jeff Albertson in The Simpsons Meets Star Wars and Fairy Tail

Hank Azaria

as Lou in The Simpsons Meets Star Wars and Fairy Tail

Hank Azaria

as Professor Frink in The Simpsons Meets Star Wars and Fairy Tail

Anthony Daniels

as C-3PO in The Simpsons Meets Star Wars and Fairy Tail

Hank Azaria

as Cletus Spuckler in The Simpsons Meets Star Wars and Fairy Tail

Hank Azaria

as Apu Nahasapeemapetilon in The Simpsons Meets Star Wars and Fairy Tail

Hank Azaria

as Chief Wiggum in The Simpsons Meets Star Wars and Fairy Tail

Harry Shearer

as Dr. Hibbert in The Simpsons Meets Star Wars and Fairy Tail