Known for: Playing villains in X-Men 2, The Bourne Supremacy and playing cinema's first Hannibal Lector in Manhunter as well as an extensive array of roles on stage and screen.

Voiced: The Ood Elder in David Tennant's final story The End of Time (2009).

This brainy Ood featured in one scene to mutter portents of doom at the Timelord and was never seen again. Cox will revisit the Whoniverse this November playing the programme's creator Sydney Newman in An Adventure in Time and Space, a special drama about the early days of the show written by Who and Sherlock stalwart Mark Gatiss.