Roberts is a non-canonical character who was created for the ITV's 2010 adaptation of The Secret of Chimneys. He is one of two security men which George Lomax brought to Chimneys to provide security during secret negotiations with Count Ludwig von Stainach. The first night of the house party he is on duty outside the house when he is knocked unconscious by an intruder (later revealed to be Anthony Cade. Roberts' colleague Jaffers discovers him and raises the alarm.
Roberts does not have a speaking part and the actor who portrayed him is not credited.