Tommy Knight

Tommy Knight (born 22nd January 1993) plays Luke Smith in The Sarah Jane Adventures and Doctor Who.

He has presented a behind the scenes video of the Season 4 finale, available here, and a CBBC Extra behind the scenes look at the filming of season 2 of SJA, available here.

He has also appeared on various CBBC programmes in and out of character, most notably Blue Peter and TMi on two occasions.