One Two Three is a 2008 Bollywood film and it is an uncredited remake of the Hollywood movie Blame it on the Bellboy which is about three men staying in the same hotel and have similar sounding surnames. One Two Three stars Tushar Kapoor, Paresh Rawal, Suniel Shetty, Esha Deol, Sameera Reddy, Upen Patel, Neetu Chandra and Tanisha. It revolves around three men who share the same name- Laxmi Narayan.
Laxminarayan 1 - Tusshar Kapoor
He desperately needs to prove his killer instincts. But much to his mothers despair, this wannabe Bhai always goofs up. Its his last chance to kill, but he ends up becoming the victim - of love!
Laxminarayan 2 - Suniel Shetty
Hes a loveable geek who takes pride in being accurate and detailed. Hell do anything to please the boss, including bearding a Don in his den. But when beaten up, burnt and tortured, even this ever affable soul wants to call it quits!
Laxminarayan 3 - Paresh Rawal
All the Bhabhis and Behenjis of Delhi will vouch for his uncanny eye - Just one look and be can gauge your innermost measurements. But then he comes across Laila who refuses to show him what he wants and blackmails him instead!
Jiya - Esha Deol
Jiya is a talented lingerie designer who is desperate to strike a deal that will settle her debts with the lecherous Mende. Waiting for underwear expert Laxmi Narayan she fails for Bhai Laxmi Narayan - the man whos come to kill her.
Laila - Sameera Reddy
Laila will do anything to save her glitzy auto showroom from being shut down by loan collectors. She will agree to strip or even try and sell off an old car till she discovers that the same car holds diamonds worth crores!
Inspector Mayawati - Neetu Chandra
Shes bright and alert and takes a fancy to Laxmi Narayan 2. Shes on the lookout for criminals and diamond thieves, but finds herself chasing after not one, not two but three Laxmi Narayans!
Chandu & Chandni - Upen Patel & Tanisha
They work in the showroom and love in their spare time. They hide the diamonds in an ancient car they think nobody will ever buy, but to their dismay, their boss Laila is hell bent on selling this same car to save her garage.
Source : One Two Three Wiki Page