One Small Problem (2020)

A Mexican romantic comedy about a single dad, a woman who hates kids, and one very clever little girl with a plan.

One Small Problem - Movie Information

  • Original Title: Sin hijos
  • Release Year: 2020
  • Directed by: Roberto Fiesco
  • Type: Movie
  • Genres: Comedy
  • Runtime: 1h 35m
  • Original Language: Spanish
  • Spoken Languages: Spanish
  • Release Date (Theatrical): July 27, 2020 (Mexico)
  • Alternative Titles: No Kids (MX)
  • Production Companies: Mil Nubes-Cine, Indomable Cine, EFICINE 189, Black Bear Pictures, Globalgate Entertainment, Patagonik
  • Production Countries: Mexico

One Small Problem - Plot

The love of his life hates kids. So when his 9-year-old daughter suggests she pretend to be his sister... what could go wrong?

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One Small Problem - Cast & Crew

Director(s)

  • Roberto Fiesco

Main Cast

  • Alfonso Dosal
  • Regina Blandón
  • Francesca Mercadante
  • Jorge Muñiz
  • Miguel Jiménez
  • Michelle Rodríguez
  • Gustavo Egelhaaf
  • Giovanna Zacarías
  • Christian Ramos
  • Ela Velden

Writers

  • Mariano Vera
  • Anaí López

One Small Problem - FAQs

What is One Small Problem about?

One Small Problem follows Fidel, a single dad who falls hard for Marina — a woman who absolutely cannot stand children. When his clever 9-year-old daughter Ari suggests she pose as his little sister instead, the plan seems foolproof. Of course, keeping up the charade proves far trickier than either of them bargained for.

Does Ari's disguise as Fidel's sister work out?

Ari's plan to pass herself off as Fidel's sister gets the scheme off the ground, but the deception quickly spirals into a comedy of errors. The more Fidel tries to keep Marina from discovering the truth, the more hilariously complicated things become — leading to a heartfelt reckoning for everyone involved.

Who are the main actors in One Small Problem?

The film stars Alfonso Dosal as the lovesick single dad Fidel and Regina Blandón as Marina, the woman who despises kids. Young Francesca Mercadante steals scenes as the resourceful daughter Ari, with strong support from Jorge Muñiz, Miguel Jiménez, Michelle Rodríguez, and Gustavo Egelhaaf rounding out the ensemble.

Is One Small Problem based on a true story?

No, One Small Problem is not based on real events. It's an original comedy written by Mariano Vera and Anaí López, built around a classic mistaken-identity premise with a fresh Mexican twist. The story leans into relatable family dynamics and romantic misadventures rather than any real-life inspiration.

Who directed One Small Problem?

Roberto Fiesco directed One Small Problem. A respected figure in Mexican cinema, Fiesco brings a light, warm touch to this family comedy. The film was produced by a collaboration of Mexican and international companies, including Mil Nubes-Cine, Indomable Cine, and Black Bear Pictures.

What are some movies similar to One Small Problem?

If you enjoyed One Small Problem, you might also like Duplex (2003), Tod@s Caen (2019), Sextuplets (2019), or Landline (2017). These films share a similar blend of comedic chaos, relationship mishaps, and feel-good storytelling that fans of light romantic and family comedies tend to love.

When was One Small Problem released?

One Small Problem premiered in Mexico on July 27, 2020. The film is also known by its original Spanish title Sin hijos and its Mexican alternative title No Kids, reflecting its core comedic premise about a father hiding his daughter from a woman who can't stand children.

Is One Small Problem worth watching?

If you're in the mood for a breezy, feel-good Mexican comedy, One Small Problem delivers. The chemistry between Alfonso Dosal and Regina Blandón is charming, and young Francesca Mercadante is a genuine scene-stealer. It's a fun, lighthearted watch perfect for an easygoing evening with family or friends.

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