Six actors to play many guises of Dylan

Cate Blanchett is one of six names signed up to play Bob Dylan in his different life guises in the upcoming film I'm Not There.

The others include Heath Ledger, Richard Gere, Christian Bale and Ben Wishaw, with one more Dylan still to be cast.

Blanchett described her forthcoming role as "a riff on Dylan" and an "incarnation of him" in the "spirit of investigation".