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The Killing Diamond poster

The Killing Diamond Cast & Characters

The Killing Diamond (2026) stars Serdar Ali Ercan as Brother 1 and Kaan Aydın as Williamson / Buyer / Brother 1. The drama movie was released October 13, 2026. Below is the full cast and crew.

PG-13 2026 · 17m 95 Audience
Movie Trailers
Movie Trailers
Starring Cast
S
Serdar Ali Ercan
Brother 1
K
Kaan Aydın
Williamson / Buyer / Brother 1
Key crew
Director
Serdar Ali Ercan
Producers
Kaan Aydın , Serdar Ali Ercan

Full cast

2 cast members
Serdar Ali Ercan
Brother 1
Kaan Aydın
Williamson / Buyer / Brother 1

Crew by department

3 crew members

Production

Kaan Aydın
Executive Producer
Serdar Ali Ercan
Executive Producer