Alia' family

Alia Bhatt as Alia Bhatt

Shah Rukh Khan as Raj Bhatt( Alia's Dad) and Kajol as Anjali Bhatt (Alia's Mom).

Sidharth's Family

Sidharth Malhotra as Sidharth Pratap Singh Chauhan (Sid).

Arjun Kapoor as Veer Pratap Singh Chauhan (Elder Sibling of Sid).

Sonam Kapoor as Sriddhimavati Pratap Singh Chauhan or Sia (Younger Sister of Sid and Veer).

Anil Kapoor as Maharaja Visharth Pratap Singh Chauhan (Sid,Sia and Veer's father).

Katrina Kaif as Vrishali Pratap Mehra or Via (Elder cousin of Sid).

Gaurav Arora as Vikram Pratap Singh Chauhan (Younger Cousin of Sid and younger sibling of Vrishali).

Boman Irani as Vijay Pratap Singh Chauhan (Uncle or Badepitaji of Sid,Veer and Sia. Father of Vrishali and Vikram and elder brother of Maharaj Visharth Pratap).

Illeana D'cruz as Gitanjali Singh Shergi (Secret girlfriend of Veer).

Fawad Khan as Vidyut Singh Rathore (Fiancé of Sia).

Ranbir Kapoor as Raghav Mehra (Husband of Vrishali).