Abhishek Bachchan
— Arjun Sen
Ahilya Bamroo
— Reya
Pearle Dey
— Child Reya
Jayant Kripalani
— Dr. Jayanta Deb
Kristin Goddard
— Nancy
Johny Lever
— Johnny
Ritesh Shah
— Subodh
Arpita Chakrabarty
— Sudheshna (Subodh's Wife)
Milan Awon
— Arjun's Father
Anasua Kushari
— Arjun's Mother
Indeepa Singh
— Arjun's Ex-Wife
Daminee Basu
— Dr. Shonali Bose
Tushar Sheetal Jain
— Arjun's Brother
Caprice Ott
— Nurse Chloe
Eliza Kim
— Nurse Suzanne
Nathalie Zepek
— Nurse post surgery
Bruce Gale
— Dr. Savage
Tom McLaren
— Dr. Tanner
Julia Megan Sullivan
— Female Patient - Cancer Centre
Mike Sears
— Bill (Arjun's Boss)
Nirvan Patnaik
— Reya's Boyfriend
Joe Russell
— Marc (Arjun's Lawyer)