It stars Trace Lysette, Patricia Clarkson, Emily Browning, and Adriana Barraza.

[4] In September 2020, Patricia Clarkson, Trace Lysette, Anna Paquin and Adriana Barraza joined the cast of the film, with Andrea Pallaoro directing from a screenplay he wrote alongside Orlando Tirado.

[5] In June 2021, Emily Browning joined the cast of the film, replacing Paquin who exited the project due to scheduling conflicts.

The website's consensus reads: "Bolstered by a powerful lead performance from Trace Lysette, Monica follows a personal quest that's as beautifully filmed as it is emotionally resonant.

"[13] Metacritic, which uses a weighted average, assigned the film a score of 75 out of 100, based on 15 critics, indicating "generally favorable" reviews.