No one is going to know the difference.'"

Harriet,the historical drama based on Tubmans life released earlier this month, starsCynthia Erivo.

Yes,thatJulia Roberts.

Julia Roberts, Harriet Tubman

Jonathan Leibson/Getty Images; Corbis/Getty Images

In aQ&A with Allen published earlier this monthbyHarrietstudio Focus Features (and reiterated in anL.A.

I was told how one studio head said in a meeting, This script is fantastic.

Lets get Julia Roberts to play Harriet Tubman,' Allen explained.

When someone pointed out that Roberts couldnt be Harriet, the executive responded, It was so long ago.

No one is going to know the difference.'

Thankfully, for everyone involved, Roberts was not cast as Tubman.

ThenBlack Pantherreally blew the doors open, Allen said.

As soon as she opened her mouth, I thought, Yes, thats Harriet.

Afterwards I emailed the other producers, Thats Harriet.

Shes a little stick of dynamite.'