Guest Stars Arthur Darvill as Rory Williams Caitlin Blackwood as Amelia Pond Tom Hopper as Jeff Nina Wadia as Dr Ramsden Olivia Colman as Mother Annette Crosbie as Mrs Angelo Eden Monteath as Child 1 David de Keyser voices Atraxi Arthur Cox as Mr. Henderson Perry Benson as Ice Cream Man Marcello Magni as Barney Collins Merin Monteath as Child 2 William Wilde voices Prisoner Zero Patrick Moore as Himself