Benedict Cumberbatch schedule of events (updated 4/28)

eat-grapes:

May 2 - Star Trek Into Darkness London Premiere, Graham Norton Show (taping)

May 3 - Graham Norton Show (airing)
May 9 - David Letterman (taping & airing)
May 9 - Star Trek Into Darkness New York premiere
May 10 - Today Show (live)

May 8 Daybreak(ITV airing)
http://www.radiotimes.com/episode/wj6ny/daybreak—08052013
ETA:
May 10, late night with jimmy fallon
http://www.latenightwithjimmyfallon.com/episode-guide/keywords/Benedict%20Cumberbatch