Shaun Williams
From Tardis Wiki, the free Doctor Who reference
Shaun Williams, also credited as Richard Shaun Williams, has been a storyboard artist for the BBC Wales version of Doctor Who on every series except series 1 (Doctor Who). He began his work on Doctor Who with The Girl in the Fireplace. He was also the storyboard artist on the first episode of The Sarah Jane Adventures.
Though normally a pre-production artist, his work has been included in the final cut of an episode. He was notably responsible for the shadowy figure of the "dad in the closet" in the episode, Fear Her.
He made appearances on Doctor Who Confidential and Totally Doctor Who.
