Suggestions by @dannyflanigan

Martín Hernández

as Zeb Hugson in Dorothy and the Wizard in Oz (2010)

Michael Douglas

as The Wizard in Dorothy and the Wizard in Oz (2010)

Emma Stone

as Queen of Ev in Ozma of Oz (2009)

Johnny Depp

as Omby Amby in Ozma of Oz (2009)

Benedict Cumberbatch

as Hungry Tiger in Ozma of Oz (2009)

Lilla Crawford

as Dorothy Gale in Ozma of Oz (2009)

Alex Hirsch

as Writer in Ozma of Oz (2009)

Rob Marshall

as Director in Ozma of Oz (2009)

Bob Bergen

as Wheeler in Ozma of Oz (2009)

Keith David

as Nome King in Ozma of Oz (2009)

Bill Fagerbakke

as Kaliko in Ozma of Oz (2009)

Lin-Manuel Miranda

as Composer in Ozma of Oz (2009)

Ariana Greenblatt

as Ozma in Ozma of Oz (2009)

Lilla Crawford

as Dorothy Gale in Wizard of Oz (2007)

Wayne Cilento

as Choreographer in Ozma of Oz (2009)

Kimiko Glenn

as Langwidere in Ozma of Oz (2009)

Samson Kayo

as Cowardly Lion in Ozma of Oz (2009)

Michael Cera

as Tin Woodman in Ozma of Oz (2009)

Sean Barrett

as Tik-Tok in Ozma of Oz (2009)

Denise Bryer

as Billina in Ozma of Oz (2009)