Billu cast and credits
| Priyadarshan | Director |
| Manisha Korde | Dialogues |
| Priyadarshan | Screenplay |
| Mushtaq Sheikh | Screenplay |
| Sreenivasan | Screenwriter |
| Gauri Khan | Producer |
Deepika Padukone
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Kareena Kapoor
|
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Priyanka Chopra
|
Special appearance in a song You Get Me Rockin & Reeling |
| Irrfan Khan | Billu Barber |
Lara Dutta
|
Bindiya |
Shah Rukh Khan
|
Sahir Khan |
| Om Puri | Sahukaar Daamchand |
| Asrani | Naubat Chacha |
| Rajpal Yadav | Zallan Kumar (Budbudiya) |
| Pushkar Shrotri | |
| Nagesh Bhonsle | |
| Manoj Joshi | Damodar Dubey |
| Mitali Mayakar | Gunja |
| Pratik Dalvi | Ronak (Duggu) |
| Atul Parchure | |
| Rushabh Shah | Taro Bapu |
| Pritam | Music Director |
| Kalpana Patowary | Playback Singer |
| Sunidhi Chauhan | Playback Singer |
| Neeraj Shridhar | Playback Singer |
| Tulsi Kumar | Playback Singer |
| KK | Playback Singer |
| Rana Mazumder | Playback Singer |
| Rahat Fateh Ali Khan | Playback Singer |
| Sukhwinder Singh | Playback Singer |
| Ajay Jhingran | Playback Singer |
| V. Manikandan | Cinematographer |
| Arun Kumar | Editor |
| Eros Labs |