Karan Johar Director Shah Rukh Khan Rizvan Khan Actor Kajol Mandira Khan Actor Katie A. Keane Sarah Garrick Actor Kenton Duty Reese Garrick Actor Benny Nieves Detective Garcia Actor Christopher B. Duncan Pres. Barack Obama Actor Jimmy Shergill Zakir Khan Actor Zarina Wahab Razia Khan Actor Sonya Jehan Hasina Khan Actor Parvin Dabas Bobby Ahuja Actor Arjun Mathur Rajesh 'Raj' Burman Actor Hiroo Johar Producer Gauri Khan Producer Shibani Bathija Writer, Screenwriter Ravi K. Chandran Cinematographer Sharmishta Roy Production Design Deepa Bhatia Film Editing Shankar-Ehsaan-Loy Original Music Niranjan Iyengar Original Music Jp Gutierrez Art Director Mansi Dhruv Mehta Art Director Mohammed Kasim Art Director Priya Ahluwalia Set Decoration Kristina 'Kaydee' Lavorin Set Decoration Manish Malhotra Costume Design Shanoo Sharma Casting