Cast and characters
Burak Özçivit as Osman Gazi. Osman (also referred to as "Kara Osman", transl. "Dark Osman") is the third and youngest son of Ertuğrul Ghazi and Halime Hatun. He is also the younger brother of Gündüz Bey and Savcı Bey, and nephew of Selcan Hatun, whom he treats as his own mother. He is the husband of Bala Hatun and Malhun Hatun and the father of Orhan, Alaeddin Ali, Fatma Hatun and Halime Hatun who aspires to follow in the footsteps of his father Ertuğrul and their grandfather Süleyman Şah. He is extremely attentive to his surroundings and good with a sword, just like his father. He disobeys his beys sometimes, travelling on the path he believes is successful. His weakness is his care for his close ones, making him prone to traps. He humiliates his enemies both on the battlefield and while negotiating, leaving them with a thirst for revenge. He is elected as the Bey of his tribe in Season 2. He decides to marry a second wife as per his father's will, as well as changing the Kayi flag. He continues his struggle for his free realm by conquering castles like Kuluchisar, Inegol, Marmaracik, Koyunhisar, Koprihisar, Yarhisar and Bilecik, territory of Yenişehir, Itburnu, Kestel, Kite, Atranos and Karadin Castle. He also has Karachisar and Soğut that was conquered by his father Ertuğrul. He now has determination of conquering Bursa. He is a fierce warrior for his enemies and a kind ruler for his subjects no matter their religion. At the end of Season 5 he announces his free state "Osmanli Beyliği" (Ottoman Beylik). Based on Osman I.
Özge Törer as Bala Hatun; Bala is the daughter of Sheikh Edebali and Ulduz Hatun, who died because of a disease. She is Osman Bey's first wife, mother of Alaeddin Ali and Halime Hatun and a beautiful painter having been best friends with Gonca Hatun. She is the Chief Lady of the Kayi Tribe and Head of the Bacıyân-ı Rûm. She is skilled in archery, combat, sword fighting and horse riding. She is loyal to her father, the Ahi brotherhood and Selcan Hatun. She is extremely calm and patient but is prone to heartbreak. A Mongol stabbed her in Season 1 and she therefore cannot produce a baby, and is constantly teased due to this fact. In Season 2, after her husband is elected Bey, she becomes the Hanım (Head Hatun) of the Kayı tribe, succeeding Selcan Hatun. She is upset when Osman decides to marry a second wife, but accepts her fate. Eventually becomes pregnant. Gives birth to Osman's second son Alaeddin Ali. Two months after the victory of İnegöl, Bala is revealed to be pregnant with Osman's fourth child and soon gives birth to a daughter named Halime after her paternal grandmother who died. She is the powerful woman of the Kayı tribe, and continues to pledge her loyalty to her husband Osman at all times and also accompanies him on his conquest. Based on Rabia Bala Hatun.
Yıldız Çağrı Atiksoy as Malhun Hatun (starring in seasons 2-5). She is the daughter of Ömer Bey, second wife of Osman Bey, the mother of Orhan and Fatma Hatun. She is the Chief lady of Bayındır Obası and Yenisehir. She belonged to the Bayındır tribe an Oğuz tribe settled in Ankara suffering persecution from Geyhatu. The tribe consists of 10,000 people and seeks to settle in Bithynia on Osman's invitation, which was one of the reasons why Malhun came. She saved Osman Bey from Nikola's attack. Comes from a noble lineage of Beys formerly loyal to the Selçuk State and Sultan Alaeddin Keykubat. In the beginning has tense relations with Bala but eventually they get along. She is sent by her father to examine the western borders of the state. She discovers Dündar's ring in Söğüt, and attempts to find the traitors in the Kayı tribe herself. Later marries Osman Bey after Osman was advised by Şeh Edebali to marry another woman to produce an heir for his beylik and falls pregnant soon after. Gives birth to Osman first child Orhan. She is called Devlet Ana (mother of state). She administers Yenişehir's trade system. She is a brave hatun who supports her husband Osman in battlefields and also accompanies him on his conquest. At the almost end of Season 4 she is revealed to be pregnant with Osman's fifth child and their joy was beyond limits. Based on Malhun Hatun.
Emre Bey as Orhan Bey (starring in seasons 5–6): is Osman's eldest son. Son of Osman Bey and his second wife Malhun Hatun. Step-son of Bala Hatun. Elder brother of Alaeddin Ali Bey, Fatma Hatun, and Halime Hatun. Bey of Karacahisar and Kestel Castle. Husband of Elcim Hatun and Prenses Holofira. Aybars Kartal Ozson plays young Orhan Bey (supporting in seasons 3–4). Based on Orhan.
Omer Faruk Aran as Alaeddın Alı Bey (starring in seasons 5–6): is the miraculous son of Osman Bey and his first wife Bala Hatun. Step-son of Malhun Hatun. Younger brother of Orhan. Elder brother of Fatma Hatun and Halime Hatun. Husband of Gonca Hatun. He is the Bey of Akhisar Castle. He studied in a Madrasah and is well-versed in both deen and medicine. He is very brave, noble, wise and smart like his parents and grandfather. He also sometime accompanies his father and brother in wars. He is very attached to his mother, Bala Hatun. He is in love with Gonca Hatun, daughter of Yakup Bey whom he married secretly and had a daughter named Hayme who was still born. Yaman Çınar Balcı plays young Alaeddın Alı Bey (supporting in seasons 3–4). Based on Alaeddin Pasha.
Yiğit Uçan as Boran Alp also referred to as Boran Bey (starring seasons 1-6): is from Osman Bey's main alps and a close companion of Konur and later Göktuğ, Dumrul, Gence Bey and Cerkutay. He is the widower of Gonca Hatun. He is a talented bard and singer. He uses a sword while being skilled in archery, and often also uses a bow and arrow in close combat.
Çağrı Şensoy as Cerkutay later referred to as Cerkutay Bey (starring seasons 1-6): is one of Balgay's former men. He laughs at everything. He is friends With Göktug. He likes to joke around, particularly with Boran Alp and Göktuğ Alp. He has a keen appetite for food and drink, often eating and drinking excessively. He is the Widower of Aygul Hatun, and the step father of Kayı Alp. In Season 4 he married Ulgen Hatun and they have a son named Cerkutaye Jr (Gazi Alp).
Ecem Sena Bayir as Prenses Holofira later referred to as Nilüfer Hatun (starring in seasons 5–6): is step-daughter of Yarihisar Tekfur. Niece of Tekfur Olivia of Atranos. Second wife of Orhan Bey.Daughter-in-law of Osman Bey and Malhun Hatun.Sister-in-law of Alaeddin Bey and Fatma Hatun. Comes to Yenisehir after Orhan raided her caravan to prove his bravery to Sancaksizlar. In love with Orhan Bey with whom she met in her childhood. Is close friends with Gonca Hatun. Despite being Christian she is very sympathetic towards Orhan's family, Turks and the oppressed people. She helped Osman and Malhun in conquering Kestel Castle and releasing Orhan from its dungeons. She has good relations with Orhan's family, made a lot of sacrifices for the Kayi even helping them in conquering Byzantines Castles. When she was held captive under the allegation of poisoning Ayca Hatun, she asked Malhun Hatun to summon Yunus Emre to seek guidance about Islam. She is a brave girl who knows how to fight and defend herself. In season 6 Orhan abducted her from her forced marriage, and they finally got married after a lot of obstacles.She converts to Islam after having a dream about it, and renamed Nilüfer Hatun by her father in Law Osman Bey Based on Nilüfer Hatun, concubine of Orhan Gazi and first Valide Hatun of the Ottoman Empire.
Belgin Şimşek as Gonca Hatun (starring in seasons 5–6): is daughter of Yakup Bey and Saadet Hatun. Younger sister of Mehmet Bey. Wife of Alaeddin Ali Bey and daughter-in-law of Osman Bey and Bala Hatun, sister-in-law of Orhan Bey, Fatma Hatun and Halime Hatun. Being a good fighter, and a skilled tradeswomen are some of the many qualities she learned and acquired while being brought up as the daughter of a bey. She is in love with Alaeddin Ali. She is always curious about him and once got shot by an arrow while saving Alaeddin. She was used by her mother to spy on Alaeddin, which results in temporary misunderstandings. She admires Osman Bey and his merciness and adores his supporting and strong family. She was engaged to Ahmet Bey, of Candaroĝlu Tribe against her will but she married Alaeddin Ali, against her family's wishes. She is disowned by her family for marrying Alaeddin. After the death of Elcim Hatun and her child, Gonca became paranoid and so anxious about her own child even feeling alone. Her daughter Hayme was still born due to being poisoned by Byzantines which led her to turn against Holofira. Later, Gonca protects a pregnant Holifira/Nilufer from the Mongols and Byzantine attackers and eventually reconciles with her to promote unity.
