Sikandar Kharbanda as Sikandar Bhatia– Radha and Kulbhushan's son, RK's half-brother, Deepali's husband.Raza Murad as Kulbhushan Bhatia/ Kukku– Radha's second husband, Sikandar's father.Indresh Malik as Bittu Sharma – Rishab's personal secretary, Leela's husband, Junior Madhubala's uncle.Shama Deshpande as Radha Upadhyay – Mohan's second wife, Kulbhushan's wife, Rishab and Sikandar's mother, Junior Madhubala's paternal grandmother.Bhupinder Singh as Shamsher Malik – Roma's brother, Padmini's second husband, Madhubala and Trishna's adoptive father.Rakhi Vijan as Roma Malik – Shamsher's sister, Madhubala and Trishna's adoptive aunt.

Aarti Puri as Trishna Malik/Chaudhary – Padmini and Balraj's daughter, Shamsher's adoptive daughter, Madhubala's elder sister, Junior Madhubala's sororal aunt.Pallavi Purohit as Padmini Malik/Chaudhary – Balraj's ex-wife, Madhubala and Trishna's mother, Shamsher's wife, Junior Madhubala's maternal grandmother.Raja Kushwaha / Raj Kumar aka Raju – Keval's son, Junior Madhubala's husband (2014).Keval Kushwaha aka KRK – Jugnu's brother, Kulbhushan's accomplice, Raja's father (2013–2014).Rishabh Kundra aka RK – Radha and Mohan's son, Sultan and Sikandar's half-brother, Madhubala's husband, Junior Madhubala's father (2012–2014).Spandan Chaturvedi as Young Madhubala Kundra (2014).Junior Madhubala Kushwaha aka Madhu (née Kundra)– Madhubala and Rishab's daughter, Raja's wife (2014).Madhubala Kundra aka Madhu (née Malik/Chaudhary) – Padmini and Balraj's daughter, Shamsher's adoptive daughter, Trishna's yonger sister, Rishab's wife, Junior Madhubala's mother (2012–2014).Raja states it is not the end but the beginning of a new life as they were always destined to live and be superstars together. Madhubala convinces Raja to sign the film they start their career and appear as Madhu and RK, giving the first shot of their film. Madhubala reads Madhu's diary, learning that Madhu's last wish was to make a film on her and RK's life.

Madhubala tamil serial episode 1