New Doctor Who Monster Not Quite Revealed

Could this be a glimpse of a Tritovore? It's about 30 seconds into the latest David Tennant video diary for the filming of "Planet of the Dead" (the next Who special, due to air at Easter) which can be found at the offical Doctor Who Website . Well, the Tritovores have been rumoured to be a "half-man, half-insect" race and this bug-eyed bloke fits the bill. Then again, it could be a Meltaluna mutant from This Island Earth...