Kardeşlerim

The story revolves around four siblings:

• Celil Nalçakan (2021) as Akif Atakul
• Su Burcu Yazgı Coşkun (2021) as Asiye Eren; Ömer's twin, who is caring and honest and acts as a supporting pillar for her brothers and sister at all times.
• Yiğit Koçak (2021) as Ömer Eren; Asiye's adopted twin, the younger Eren brother who tries to stand up for his siblings while also trying to ease the responsibilities shouldered by his elder brother Kadir, in any way can.
• Aylin Akpınar (2021) as Emel Eren; the youngest of the Eren siblings. She is a sweet girl who loves her siblings unconditionally but hides away the longing for her parents deep in her heart.

• Cüneyt Mete as Orhan Eren; Şengül's husband, Veli's brother, Oğulcan and Aybike's father and Kadir, Asiye, Ömer and Emel's paternal uncle.
• Fadik Sevin Atasoy as Şengül Eren; Orhan's wife, Oğulcan and Aybike's mother and Kadir, Asiye, Ömer and Emel's paternal aunt.
• Onur Seyit Yaran as Doruk Atakul; son of Akif and Nebahat Atakul, elder brother of Melisa, Asiye's boyfriend.
• Cihan Şimşek as Oğulcan Eren; son of Şengül and Orhan, brother of Aybike.
• Melis Minkari as Aybike Eren; daughter of Şengül and Orhan, sister of Oğulcan, girlfriend of Berk.
• Damlasu İkizoğlu as Melisa Atakul; daughter of Akif and Nebahat Atakul, Doruk's younger sister and Kadir's girlfriend.
• Kaan Sevi as Mazlum; Kadir's friend, Talya's boyfriend.
• Simge Selçuk as Nebahat Atakul; Akif's wife, Doruk and Melisa's mother.
• Ahu Yağtu as Suzan Manyaslı; Kenan's widow, Harika's mother, Ömer's biological mother and Akif's old ex-lover.
• Gözde Türker as Harika Manyaslı; Kenan and Suzan's daughter, Ömer's half-sister.
• Recep Usta as Berk Özkaya; Aybike's boyfriend.
• İrem Salman as Talya; Harika's friend and mazlum girlfriend.
• Lizge Cömert as Süsen; Harika's friend, Kadir's old girlfriend.
• Berk Ali Çatal as Tolga Barçın, Ayşe's old boyfriend.
• Eren Ören as Kaan Korkut/Atakul; Akif's illegitimate son.
• Nilsu Yılmaz as Cemile Akgün

• Çağla Şimşek as Ayşe; Tolga and Ömer's old girlfriend. She went to Bursa because of her mother's illness.
• Murat Onuk as Kenan Manyaslı; Suzan's deceased husband, Harika's father and Akif's old business partner. Died in a traffic accident.
• Cengiz Tangör as Veli Eren; deceased father of Kadir, Asiye, Ömer and Emel, Orhan's brother, Hatice's husband. Died after falling from a building.
• Güzin Alkan as Hatice Eren; deceased mother of Kadir, Asiye, Ömer and Emel, Veli's wife. Died in a traffic accident.
• Halit Özgür Sarı as Kadir Eren. Son of Hatice and Veli Eren, eldest of the four siblings, Melisa's boyfriend. He was an honest, hardworking and distant young man. Assumed the role of both mother and father to look after his younger siblings after their parents death. Died in a car accident caused by Melisa unknowingly.