Suggestions by @mariobrosfan201

Jess Harnell

as Charlene Doofenshmirtz in Phineas and Ferb (Genderswap)

Michaela Dietz

as Napoleon in Phineas and Ferb (Genderswap)

Alex Borstein

as Albert Du Bois in Phineas and Ferb (Genderswap)

Chuck Jones

as Producer in Phineas and Ferb (Genderswap)

Seth MacFarlane

as Writer in Phineas and Ferb (Genderswap)

Nika Futterman

as Danny in Phineas and Ferb (Genderswap)

Jessica DiCicco

as Monty Monogram in Phineas and Ferb (Genderswap)

Mindy Kaling

as Coltrane in Phineas and Ferb (Genderswap)

Jessica DiCicco

as Django Brown in Phineas and Ferb (Genderswap)

Ron Jones

as Composer in Phineas and Ferb (Genderswap)

Kimberly Brooks

as Roger Doofenshmirtz in Phineas and Ferb (Genderswap)

Rob Paulsen

as Linda Flynn in Phineas and Ferb (Genderswap)

Alex Borstein

as Irving Du Bois in Phineas and Ferb (Genderswap)

Rachael MacFarlane

as Major Monogram in Phineas and Ferb (Genderswap)

Butch Hartman

as Director in Phineas and Ferb (Genderswap)

Kimberly Brooks

as Norm the Giant Robot Man in Phineas and Ferb (Genderswap)

Alex Borstein

as Carl in Phineas and Ferb (Genderswap)

Alex Borstein

as Phineas Flynn in Phineas and Ferb (Genderswap)

Mindy Kaling

as Baljeet Tjinder in Phineas and Ferb (Genderswap)

Jessica DiCicco

as Vanessa Doofenshmirtz in Phineas and Ferb (Genderswap)