Based on a True Story

2017 film directed by Roman Polanski
Movie film Q29582805
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Summary

Based on a True Story is a film[1]. It ranks in the top 3% of film entities by monthly Wikipedia readership (1,856 views/month).[2]

Key Facts

  • Based on a True Story's instance of is recorded as film[3].
  • Based on a True Story was directed by Roman Polanski[4].
  • Olivier Assayas wrote the screenplay for Based on a True Story[5].
  • Roman Polanski wrote the screenplay for Based on a True Story[6].
  • Based on a True Story's composer is recorded as Alexandre Desplat[7].
  • Based on a True Story's genre is drama film[8].
  • Based on a True Story's genre is thriller film[9].
  • Based on a True Story's genre is LGBTQ-related film[10].
  • Based on a True Story's based on is recorded as D'après une histoire vraie[11].
  • A cast member of Based on a True Story was Emmanuelle Seigner[12].
  • A cast member of Based on a True Story was Eva Green[13].
  • A cast member of Based on a True Story was Vincent Perez[14].
  • A cast member of Based on a True Story was Damien Bonnard[15].
  • A cast member of Based on a True Story was Camille Chamoux[16].
  • A cast member of Based on a True Story was Brigitte Roüan[17].
  • A cast member of Based on a True Story was Dominique Pinon[18].
  • A cast member of Based on a True Story was Josée Dayan[19].
  • A cast member of Based on a True Story was Noémie Lvovsky[20].
  • A cast member of Based on a True Story was Élisabeth Quin[21].
  • Based on a True Story's production company is recorded as Starz Entertainment[22].
  • Based on a True Story's director of photography is recorded as Paweł Edelman[23].
  • The original language of Based on a True Story was French[24].
  • Based on a True Story's review score is recorded as 46%[25].
  • Based on a True Story's review score is recorded as 5.4/10[26].
  • Based on a True Story's review score is recorded as 43/100[27].

Body

Authorship and Creation

Based on a True Story was directed by Roman Polanski[4]. Screenwriters include Olivier Assayas[5] and Roman Polanski[6]. Cast members include Emmanuelle Seigner[12], Eva Green[13], Vincent Perez[14], Damien Bonnard[15], Camille Chamoux[16], and Brigitte Roüan[17].

Publication

Publication dates include 2017[28] and May 17, 2018[29]. The original language of Based on a True Story was French[24]. Genres include drama film[8], thriller film[9], and LGBTQ-related film[10].

Reception

Reviews include 46%[25], 5.4/10[26], and 43/100[27].

Why It Matters

Based on a True Story ranks in the top 3% of film entities by monthly Wikipedia readership (1,856 views/month).[2] It has Wikipedia articles in 14 language editions, a strong signal of global cultural recognition.[30] It is known by 16 alternative names across languages and contexts.[31]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . wikidata.org.
  9. [11] ↑ . wikidata.org.
  10. [12] ↑ . wikidata.org.
  11. [13] ↑ . wikidata.org.
  12. [14] ↑ . wikidata.org.
  13. [15] ↑ . wikidata.org.
  14. [16] ↑ . wikidata.org.
  15. [17] ↑ . wikidata.org.
  16. [18] ↑ . wikidata.org.
  17. [19] ↑ . wikidata.org.
  18. [20] ↑ . wikidata.org.
  19. [21] ↑ . wikidata.org.
  20. [22] ↑ . wikidata.org.
  21. [23] ↑ . wikidata.org.
  22. [24] ↑ . wikidata.org.
  23. [25] ↑ . wikidata.org.
  24. [26] ↑ . wikidata.org.
  25. [27] ↑ . wikidata.org.
  26. [28] ↑ . wikidata.org.
  27. [29] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [30] ↑ . Wikidata sitelinks. wikidata.org.
  3. [31] ↑ . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Based on a True Story. Retrieved October 20, 2026, from https://4ort.xyz/entity/based-on-a-true-story-q29582805-2
MLA “Based on a True Story.” 4ort.xyz Knowledge Graph, 4ort.xyz, 20 Oct. 2026, https://4ort.xyz/entity/based-on-a-true-story-q29582805-2.
BibTeX @misc{4ortxyz_based-on-a-true-story-q29582805-2_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Based on a True Story}}, year = {2026}, url = {https://4ort.xyz/entity/based-on-a-true-story-q29582805-2}, note = {Accessed: 2026-10-20}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Based on a True Story — https://4ort.xyz/entity/based-on-a-true-story-q29582805-2 (retrieved 2026-10-20)

Canonical URL: https://4ort.xyz/entity/based-on-a-true-story-q29582805-2 · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 7w ago · MsMorale · 2026-08-31 view diff on Wikidata ↗
    P14821 → 5893264
    "/* wbcreateclaim-create:1| */ P14821: 5893264, [[:toollabs:quickstatements/#/batch/269964|batch #269964]]"
  2. 8w ago · Jindřich Rubeš · 2026-08-23 view diff on Wikidata ↗
    Filmová databáze film id → 152892
    "/* wbcreateclaim-create:1| */ Filmová databáze film id: 152892, [[:toollabs:quickstatements/#/batch/269272|batch #269272]]"
  3. 15w ago · ならちゃん · 2026-07-05 view diff on Wikidata ↗
    P14567 → SID0038551
    "/* wbcreateclaim-create:1| */ P14567: SID0038551, #quickstatements; #temporary_batch_1783235507106"
  4. 16w ago · Yirba · 2026-06-25 view diff on Wikidata ↗
    Production designer → Jean Rabasse
    Publication date → +2017-00-00T00:00:00Z, +2018-05-17T00:00:00Z
    Screenwriter → Olivier Assayas, Roman Polanski
    Duration → {'amount': '+110'}
    + 31 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/38315|batch #38315]]: MovieLens IDs (part 2)"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.