Bill Nighy
Sounds like Joanne Froggatt
Josh Peck is the voice of Sparks in Aliens in the attic
Idris Elba is the voice.
Karl Pilkington
Robert Clotworthy Is the narrator of Ancient Aliens.
Sounds like Joanne Froggatt
Christopher Ecclestone
Don Warrington - the chief from death in paradise
Dean Andrews (Ray Carling from Life on Mars & Ashes To Ashes)
Josh Peck is the voice of Sparks in Aliens in the attic
Idris Elba is the voice.
Karl Pilkington
Edith bowman
Toy Story 3 Aliens (voice) by Jeff Pidgeon (IMDb.com)
who does the Geordie voice over for the Iceland ad
Robert Clotworthy Is the narrator of Ancient Aliens.
The voices you're hearing on the UK Underdog TV advert are Joe Pasquale as the Underdog, and Brian Blessed as the shadow. The voice-over at the end is Kenneth Cranham.