By the order they were taken:
Matt Smith
Arthur Darvill
Barnaby Edwards
Billie Piper
David Tennant
Phil Collinson
Jenna (Louise) Coleman
Matt Smith’s dad and granddad
Colin Baker
Peter Davison
Sylvester McCoy
Where? 11th Hour, stage door of Our Boys, Midnight, Who at Fifty, Doctor Who Official 50th Celebration.