When a new drama lands on streaming, the first thing most people want to know is who’s in it. The Family Next Door, an Australian mystery series from Acorn TV, brings together a compelling ensemble led by Teresa Palmer.

4 related posts

Number of seasons: 1 (as of 2025) ·
Main cast members: 6 ·
Genre: Drama ·
Network: Acorn TV ·
Release year: 2025

Quick snapshot

1Confirmed facts
2What’s unclear
  • Whether Isabelle finds her sister Essie
  • Exact episode count (not widely confirmed)
  • Full plot details beyond the kidnapping premise
3Timeline signal
4What’s next
  • Acorn TV international rollout starting February 23, 2026
  • Potential season 2 depends on viewership and critical reception
  • Watch on ABC iview in Australia now

The series brings together six main cast members across a tight ensemble. Here’s the key facts at a glance.

Attribute Value
Full title The Family Next Door
Release year 2025
Network Acorn TV
Number of seasons 1 (as of 2025)
Main cast count 6
Genre Drama

What is the story of The Family Next Door?

Main plot summary

The series follows Isabelle (Teresa Palmer) as she searches for her missing sister Essie (Philippa Northeast). A child named Mia is kidnapped, and the mystery unfolds in a quiet Australian suburb. The drama is based on the bestselling novel by Sally Hepworth (ABC iview – Australian public broadcaster).

Key characters involved

  • Isabelle Heatherington (Teresa Palmer) – the protagonist searching for her sister.
  • Essie (Philippa Northeast) – the missing sister, central to the plot.
  • Ange (Bella Heathcote) – a neighbour intimately involved in the mystery.
  • Lucas (Bob Morley) – likely a parent or relative of the kidnapped child.
  • Barbara (Catherine McClements) – a family member or authority figure.

The implication: The cast is tightly woven around the central disappearance, with each character’s connection to Essie or Mia driving the suspense. Teresa Palmer’s Isabelle carries the emotional weight of the search.

Whose child is Mia in The Family Next Door?

Mia’s parentage revealed

The series explores Mia’s parentage, with characters Ange (Bella Heathcote) and Lucas (Bob Morley) likely involved as her parents or guardians. Screen Australia’s production notes confirm the kidnapping of a child named Mia is a central plot element (Screen Australia – Australian government screen agency).

The parentage is a deliberate mystery, with clues revealed through flashbacks and conflicting accounts from neighbours.

The catch: The series withholds Mia’s parentage as a key twist, making the relationship between Ange and Lucas a central point of speculation.

What is Isabelle looking for in The Family Next Door?

Isabelle’s search for her sister

Isabelle is searching for her sister Essie, who has been missing under suspicious circumstances. The IMDb credits list Philippa Northeast as Essie, confirming the relationship (IMDb – community-maintained database).

The missing person mystery

Rotten Tomatoes lists Essie as a main character, indicating the search forms the backbone of the series (Rotten Tomatoes – review aggregator).

The catch: Whether Isabelle succeeds in finding Essie alive remains unclear, even from advance promotional materials.

Is The Family Next Door based on a real story?

Fictional origins

No evidence suggests the series is based on a true story. It is a fictional drama adapted from Sally Hepworth’s novel of the same name (Cosmopolitan UK – women’s lifestyle magazine).

Inspiration

Hepworth’s novel is a work of fiction, and the TV adaptation follows the same fictional premise. The Australian suburb setting is a creation, not a specific real location.

What this means: Viewers expecting a docudrama will find a crafted mystery instead, one that uses suburban tropes to heighten tension.

Who was kidnapped in The Family Next Door?

The kidnapping victim

According to production notes, a child named Mia is kidnapped. The role of Mia is played by a child actor, though the exact name has not been widely publicised (TV Insider – TV news site).

Circumstances

The kidnapping occurs early in the series and sets off the search for both Essie and Mia. TV Insider notes that the kidnapping is the “inciting incident” that brings the neighbourhood under scrutiny.

Revealing too much about the kidnapping would spoil the twists, but knowing it’s a child abduction raises the stakes dramatically.

The pattern: The kidnapping links the two missing persons cases, forcing Isabelle and the neighbours to confront hidden truths.

Timeline

  • November 2024: Filming commences in Victoria, Australia (Screen Australia – Australian government screen agency).
  • 2025: Season 1 premieres on ABC iview in Australia.
  • February 23, 2026: International debut on Acorn TV (The Futon Critic – TV listings & news).

Clarity section

Confirmed facts

What’s unclear

  • Whether Isabelle finds her sister Essie
  • Exact episode count (not publicly confirmed)
  • Full plot details beyond the kidnapping premise
  • Whether a second season is planned

Editorial note: The confirmed facts come from official broadcasters and production agencies, while the unclear items are gaps in publicly available information — expect more details after the international release.

Related reading: Apple Cider Vinegar Netflix cast and true story

Additional sources

imdb.com, nzpublicnews.com, serienjunkies.de, reefwatch.net, blog.reelgood.com

For a detailed breakdown of every actor and character, check out the full cast list for The Family Next Door on NZ Public News.

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Frequently asked questions

Who created The Family Next Door?

The series was created by the team at Sphere-Abacus for ABC, adapted from Sally Hepworth’s novel. Specific showrunner details have not been widely published.

How many episodes are in season 1?

The episode count has not been officially confirmed as of early 2025. Most Australian dramas on ABC run 6–8 episodes, but this has not been verified.

Is The Family Next Door available on Netflix?

No. The series is produced for ABC iview in Australia and will stream internationally on Acorn TV. It is not currently available on Netflix.

What is the rating of The Family Next Door?

Ratings have not been published. The series is expected to carry a TV-MA or equivalent rating due to the kidnapping theme and dramatic content.

When does season 2 release?

No season 2 has been announced. The show’s future depends on viewership metrics after the Acorn TV debut.

What is the age rating of The Family Next Door?

Likely 15+ or TV-MA for mature themes. Official classification has not yet been issued by the Australian Classification Board.

Is The Family Next Door based on a true story?

No. It is a fictional adaptation of Sally Hepworth’s novel. There is no real-life event behind the story.

Where can I watch The Family Next Door?

In Australia, stream on ABC iview. Internationally, the series will be available on Acorn TV from February 23, 2026.

The series is a tightly crafted mystery with a strong ensemble cast. For fans of Australian drama, the implication is clear: The Family Next Door offers a fresh take on the suburban thriller, with Teresa Palmer leading a cast that delivers both emotional depth and suspense. For viewers in New Zealand and beyond, the February 2026 Acorn TV release is the date to watch, or risk missing one of the year’s most talked-about Australian series.