Aybüke Pusat Cast as Derin in Eşref Tek
Turkish actress Aybüke Pusat is reportedly set to play the lead female role opposite Çağatay Ulusoy in Prime Video's eight-episode series.
Updated on Nov. 6, 2026 in People

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Aybüke Pusat has reportedly been cast as Derin in the digital series 'Eşref Tek', opposite Çağatay Ulusoy, who returns as Eşref. The casting was reported on November 3 by journalist Birsen Altuntaş, and fans have responded with mixed reactions on social media.
Why it matters
The casting determines the central female role in a Prime Video production, a series that continues the Eşref character from the earlier Turkish drama. Reactions to the choice show how audiences respond to lead casting in returning franchises.
The digital series is eight episodes long and is produced by TimBi, led by Timur Savcı and Burak Sağyaşar. Prime Video has not announced an official release date, and the casting has not been confirmed by the production.
The players
Aybüke Pusat
Turkish actress known for roles in the action series 'Teşkilat' and 'Halef: Köklerin Çağrısı'.
Çağatay Ulusoy
Turkish actor returning as Eşref in the new Prime Video series, having previously played the character in earlier productions.
Prime Video
Amazon's streaming service that is distributing the eight-episode 'Eşref Tek' series.
The details
Pusat previously appeared in the action series 'Teşkilat' and played Melek in 'Halef: Köklerin Çağrısı', leaving that series at the end of its first season. Demet Özdemir had earlier been mentioned as a possible choice for the female lead, and Görkem Sevindik is expected to return as Kadir, with Uluç Bayraktar directing and Ethem Özışık writing the script.
Timeline
November 3, 2026: Birsen Altuntaş reports Pusat's casting as Derin.
November 6, 2026: Albawaba publishes coverage of the casting and fan reactions.
Filming is expected to begin in the coming days.
Franchise Continuity
The 'Eşref Tek' series extends the character Eşref, first portrayed by Çağatay Ulusoy in earlier Turkish television, into a Prime Video digital format. The casting of a new female lead opposite him continues that franchise under a streaming distribution model.
Viewers will be able to watch the eight-episode series on Prime Video once it is released, though no release date has been set. The casting decision determines which actors appear in the streaming title.
The takeaway
Lead casting in continuing franchises often draws divided fan reaction before a series premieres. Readers following the project should watch for an official Prime Video announcement confirming the cast and release date.
What happens next
Filming for 'Eşref Tek' is expected to begin in the coming days, and an official Prime Video release date is still pending.
Further reading
For more on the performers shaping Turkish screen drama, see our People coverage.
Source note: This article includes information reported by Al Bawaba.
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