Steven Spielbergwas inspired by his own life forThe Fabelmansand the casting of the film was personal.
Michelle Williamsplays Mitzi Fabelman, a character inspired by Spielbergs mother.
The director said that Williams earned the role after he watched her on the FX seriesFosse/Verdon.

(L-R) Michelle Williams in ‘Fosse/Verdon,’ Steven Spielberg and Williams in ‘The Fabelmans’Michael Parmele / FX / Courtesy Everett Collection / Kevin Winter / Getty Images / Merie Weismiller Wallace / Universal Pictures
That went a long way into making her my first choice to play Mitzi.
My husband was in the room with me, and I kept saying, Its just getting better.
And this was just page after page of that, just this undulating, gorgeous aliveness.

When I finished, I said to my husband, Its a feast.
They made her a feast.’
I prep a lot before a movie, and there was so much to grab hold of.
It felt more akin to making a mini-series because the material was so rich.