How to make a Sontaran
Wondered what it takes to make a Sontaran warrior look so terrifying? Turns out, it's foam rubber, a lot of make-up and two hours of patient work. See Strax actor Dan Starkey get made up in this time-lapse video.

Dan Starkey interview - Blue Peter
Barney interviews Dan Starkey who plays Commander Strax in Doctor Who. Dan shows us his costume, shares some behind the scenes special effects secrets and turns Barney into an alien!