Avatar: James Cameron's 3D picture has its world premiere

Stars of Avatar line up at the premiere. Photograph: Akira Suemori/guardian.co.uk

Sigourney Weaver Photograph: Joel Ryan/guardian.co.uk

Zoe Saldana Photograph: Jon Furniss/guardian.co.uk

Zoe Saldana as Neytiri Photograph: guardian.co.uk

Sam Worthington Photograph: Luke Macgregor/guardian.co.uk

Actors Sam Worthington (L) and Zoe Saldana as their digital characters Jake and Neytiri in a scene from Avatar Photograph: HO/guardian.co.uk

Giovanni Ribisi Photograph: Neil Tingle/guardian.co.uk

Giovanni Ribisi and Sigourney Weaver in Avatar Photograph: guardian.co.uk

A battle sequence from Avatar Photograph: guardian.co.uk

Director James Cameron and his wife Suzie Amis attend the world premier of Avatar, the film he directed, at the Odeon Cinema in Leicester Square, London Photograph: Carl Court/guardian.co.uk

Sigourney Weaver, director James Cameron and Michelle Rodriguez Photograph: Yui Mok/guardian.co.uk

Simon Pegg Photograph: Eamonn McCormack/guardian.co.uk