Sanju explores some of the most crucial chapters from movie star Sanjay Dutt’s dramatic and controversial real life. It gives a lowdown on his tryst with drugs and his trials and tribulations in the Arms Acts case and the 1993 Mumbai blasts.
| Actor | Role |
|---|---|
 Ranbir KapoorSanjay Dutt | Sanjay Dutt |
 Paresh RawalSunil Dutt | Sunil Dutt |
 Vicky KaushalKamlesh Kanhaiyalal Kapasi | Kamlesh Kanhaiyalal Kapasi |
 Anushka SharmaWinnie Diaz | Winnie Diaz |
 Dia MirzaManyata Dutt | Manyata Dutt |
 Manisha KoiralaNargis Dutt | Nargis Dutt |
 Sonam Kapoor AhujaRuby | Ruby |
 Boman IraniRuby's father / Dr. Asthana | Ruby's father / Dr. Asthana |
 Karishma TannaPinky | Pinky |
 Jim SarbhZubin Mistry | Zubin Mistry |
 Sayaji ShindeBandu Dada | Bandu Dada |
 TabuHerself (Cameo) (uncredited) | Herself (Cameo) (uncredited) |
 Arshad WarsiHimself / Circuit (Cameo) (uncredited) | Himself / Circuit (Cameo) (uncredited) |
 Sanjay DuttHimself (Cameo) (uncredited) | Himself (Cameo) (uncredited) |
 Ashnoor KaurKiran Bagga | Kiran Bagga |
| PParnalekhaActress | Actress |