James Burge
From Tardis Wiki, the free Doctor Who reference
James Burge was the uncredited floor assistant on the Doctor Who television stories Pyramids of Mars (INFO: Pyramids of Mars) and The Masque of Mandragora. (INFO: The Masque of Mandragora)
His hand can be seen moving a pillow out of shot in the fourth episode of Pyramids of Mars, in a blooper commonly referred to by fans as "The Hand of Sutekh".