When a famous Bollywood actor visits a small village for a film's shoot, a lowly hairdressers claim that they were once childhood friends soon makes him the centre of attention.
Unfortunately the movie Billu is not yet available on HBO Max.
| Directing | Priyadarshan | Director |
| Writing | Mushtaq Sheikh | Screenplay |
| Production | Gauri Khan | Producer |
| Editing | Arun Kumar Aravind | Editor |
| Writing | Manisha Korde | Screenplay |
| Writing | Sreenivasan | Story |
| Camera | V. Manikandan | Director of Photography |
| Sound | Tarun Bhandari | Location Sound Recordist |
| Sound | P. C. Vishnu | Sound Re-Recording Assistant |
| Art | Santosh Kotkar | Assistant Art Director |
| Art | Suresh Selvarajan | Assistant Art Director |
| Sound | Pritam Chakraborty | Original Music Composer |
| Production | Sanjiv Chawla | Executive Producer |
| Sound | Santosh Verma | Location Sound Recordist |
| Directing | Abilash Nair | Assistant Director |
| Crew | Farah Khan | Choreographer |
| Writing | Priyadarshan | Screenplay |
| Sound | Baylon Fonseca | Location Sound Recordist |
| Production | Vaibhav Misra | Supervising Producer |
| Art | Twisha Pal | Assistant Art Director |
| Writing | Gulzar | Lyricist |
| Writing | Ashish Pandit | Lyricist |
| Writing | Mayur Puri | Lyricist |
| Writing | Sayeed Quadri | Lyricist |
| Writing | Neeraj Shridhar | Lyricist |
| Sound | Sukhwinder Singh | Playback Singer |
| Sound | Sunidhi Chauhan | Playback Singer |
| Sound | Tulsi Kumar | Playback Singer |
| Sound | Rana Mazumder | Playback Singer |
| Sound | Suraj Jagan | Playback Singer |
| Sound | KK | Playback Singer |
| Sound | Rahat Fateh Ali Khan | Playback Singer |
| Sound | Ajay Jhingran | Playback Singer |
| Sound | Kalpana Patowary | Playback Singer |
| Sound | Soham Chakraborty | Playback Singer |
| Sound | Monali Thakur | Playback Singer |
| Sound | Akriti Kakar | Playback Singer |
| Sound | Abhijeet Bhattacharya | Playback Singer |
