| Actor | Character | Episodes | Notes |
|---|
| Zafer Ergin | Rıza Soylu | 1- | Chief Superintendent (4th Degree) of the Istanbul Police Department, Public Order Section. A well-experienced and successful cop. He is the chief of his team and is also called Rıza Baba (Father Rıza) by his teammates. |
| Özgür Ozan | Hüsnü Çoban | 1- | Chief Inspector. Joined the team as an Inspector. A very successful cop who often gets awards from the Police Department. He has a large family containing a wife, 5 children and also his wife's aunt. Despite the hard life in Istanbul and the troubles his wife or sons cause him, he never gives up the life. He is one of the primal members of the team alongside Rıza and Mesut. He got promoted to Chief Inspector of the team. |
| Şevket Çoruh | Mesut Güneri | 1- | Inspector. He served in the Special Forces as a bomb expert against the terror on the East and returned to Istanbul with the mental trauma due to the side effects of his mission. Although he's tough in his career and private life, he's quite friendly and somewhat sarcastic among the family, or the team. He has a son named Tunç whom he raised, and still raising all by himself. Like Hüsnü, he's one of the oldest members of the team. |
| Çağla Kubat | Elif Doğan Bahadır | 126-250 | A late joining inspector of the team. She worked with the team for 2 years. Her father is a retired superintendent in the Istanbul Police Department. She was engaged with Inspector Sinan Bahadır. At the day of her wedding, she was attacked by a criminal who stabbed the knife into her stomach and later died in the hospital due to heavy bloodloss. |
| Gamze Özçelik | Zeynep Akyüz Ateş | 1-126, 210-292 | Inspector. A young cop. Her father was a narc and a fallen cop. She was the wife of the Inspector Murat Ateş. She used to serve at Ankara Police Department. After her arrivat at Istanbul, she first served as a speedcop but later returned to the team and reunited with Murat. She was shot by the ear during a gunfight and later died due to cerebral hemorrhage. |
| Uğur Pektaş | Murat Ateş | 1-125, 173- | Inspector. A successful cop. He was married with Inspector Zeynep Akyüz. He left the team and started serving as the chief of security at the Turkish Consulate of London. Later he divorced with his wife and returned to the team. He's both ambitious and hard-working at his job. Although he looks quite, he can be troublesome if he loses his temper. After the death of his wife from the gunfight, he temporarily leaves the team and closes his heart to the love. Now his only care is his son, Ömer. |
| Berk Oktay | Sinan Bahadır | 126-250 | A late joining inspector to the team but also quick to adopt. He has similar characteristics with Murat and they become good friends sometime after his return. After Elif was killed during the day of their wedding, he almost gave up everything but was convinced to rejoin the team. He was later appointed to the Diyarbakır Narcotics Department and will eventually return to team as an expert of narcotics. |
| Zeynep Beşerler | Melek Serter | 168-293 | Deputy Inspector. She joined the team later. She formerly worked as a narc. She had married once and later divorced. She has a daughter named Şirin. Initially, she was disliked by Mesut but the two later became good friends. She has feelings towards Mesut. In 293th episode, she was appointed to the Kayseri Police Department. It's unknown whether she will return. |
| Alp Korkmaz | Ali Akdoğan | 1- | Inspector. A young cop. He is currently married to Rıza's daughter. Due to being the youngest member of the team, his teammates often have fun with him and call him 'Tulip'. He serves in the team as a sniper. |
| Özlem Çınar | Aylin Pınarcı | 1- | Deputy Inspector. She serves in the team as the monitor and technician. |
| Boğaç Aksoy | Volkan | ? - | Deputy Inspector. He and Arda are good friends. |
| Tunç Oğuz | Arda | ? - | Deputy Inspector. He and Volkan are good friends. |
| Beste Seyhan Şamcı | Eda | ? - | Deputy Inspector. She is assisting Aylin in monitoring. |
| Başak Atıcı | Hande | ? - | Constable. The newest member of the team. Her colleagues are sometimes making fun of her, because her lack of experiency. |
| Figen Evren | Suat Çoban | 1- | Hüsnü's wife. She is loyal to her husband but she often gets him into trouble unintentionally. |
| Gülcan Arslan | Leyla Candaş | 294- | One of the newest inspectors of the team alongside Muzo. She used to be an inspector at the homicide desk. She's currently "inexperienced" in the team and an expert at crime scene investigation. |
| Gizem Soysaldı | Muazzez "Muzo" Kaplan | 294- | One of the newest members of the team alongside Leyla. She's a bomb expert. Due to her tough personality, she's often looked up by the other team members, especially Mesut, who's also experienced with bombs. |
| İpek Yaylacıoğlu | Pınar Soylu Akdoğan | 1- | Rıza's daughter and Ali's wife. She is rather snobbish and quick-tempered. She sometimes criticizes Ali but loves him very much. |
| Onur Bay | Tekin Çoban | 1- | Hüsnü's younger son and 3rd child of the family. He and his brother often cause troubles for their father. He is mainly responsible. He is also a perversive womanizer even attempting to flirt with females who are way older than him including his elder sister's friends. He is trying to become a famous actor in a theatre. |
| Furkan Göksel | Metin Çoban | 1- | Hüsnü's elder son and 2 child of the family. He and his brother often cause troubles for their father. His brother is mainly responsible. He has a better behaviour than his brother. Now working in a restaurant. |
| Yüsra Geyik | Zeliha Çoban | 1- | Hüsnü's elder daughter and the eldest child of the family. After university, she is now working as a journalist. Often quarrels with her brothers. |
| Manolya Aşık | Şule Çoban | 1- | Hüsnü's younger daughter and the 4th child of the family. |
| Kerimhan Duman | Tunç Güneri | 1- | Mesut's son and best friends with Hüsnü's sons. He lost his mother at a young age. Unlike Hüsnü's sons, he is calm well-behaved and also very intelligent. He has a very good relationship with his father. He's also quite hard-working and very successful at his school. |
| Ilker İnanoğlu | Engin Balkan | 44-172, 210-214 | Chief Inspector. He served as the chief of security at the Turkish Consulates of Washington DC and Madrid. Although he joined the team later, he went to a special mission to Moscow where he currently is. |
| İlker Yiğen | Yavuz Ateş | 1- | Doctor. Murat's younger brother. |
| Yasemin Balık | Seyran | 210-224 | Mesut's former fiancee. She broke up with Mesut after being run over by a car droven by one of Mesut's enemies that caused her to lose her baby. She later married with someone else. |
| Nazlı Tosunoğlu | Nazike | 138- | Suat's aunt. Hüsnü strongly dislikes her. |
1. ^https://www.imdb.com/title/tt0845088/
2. ^{{cite web|title = Arka Sokaklar Mesut Telefonda Melek Telsizde |url = https://www.youtube.com/watch?v=WRW0pKqRju8}}
3. ^{{cite web|title = Arka sokaların ölmeyen komiseri 'Mesut' |url = https://www.youtube.com/watch?v=a0dfdW8CmMo}}
4. ^{{cite web|title = Beyaz Show Arka Sokaklar Klişeleri |url = https://www.youtube.com/watch?v=C2xpdmPRfZw}}
5. ^{{cite web|title = Arka Sokaklar Gereksiz Zoom |url = https://www.izlesene.com/video/arka-sokaklar-gereksiz-zoom/9694330}}