According to aMediaVillageinterview, executive producer Michael Vickerman wrote Charlotte specifically for Lilley to play.
However, Lilley was anxious about Charlotte’s actions in the film and how they would come across.
She told the outlet, “Initially, I thought it an uphill battle.

I really had to tap into myself.
Lilley mentioned how Reese’s Pieces were her favorite candy, but she developed a peanut intolerance.
Lilley told the outlet.

She went as far as to say, “My favorite co-star is now Marcus Rosner.
Rosner, however, takes the cake.”
Wedding pun intended, perhaps?
