"The poster of 'The Great Gatsby', which I found to be too presumptuous, but Baz Luhrmann insisted that what's done," the 70-year-old tweeted a photo of him with a hat and beard his face.
Big B plays Meyer Wolfsheim in 3D $ 125 million project, an adaptation of the novel of the same name by F. Scott Fitzgerald.
"The mine poster 'The Great Gatsby' ... not worthy of being there, considering my tiny role, but Baz Luhrmann," tweeted more.
In the film, Amitabh will be seen sharing screen space with Hollywood stars Tobey Maguire and Leonardo Di Caprio.
Other cast members of the film include Joel Edgerton, Carey Mulligan and Isla Fisher.
"The Great Gatsby" will open the 66th edition of the International Film Festival of Cannes from May 15th. Amitabh and walking the red carpet with the team at the gala event. - IANS