Policeman (The Evil of the Daleks)
From Tardis Wiki, the free Doctor Who reference
A policeman was on patrol nearby Edward Waterfield's antique shop on 20 July 1966. When Keith Perry, Jamie McCrimmon and the Second Doctor found Kennedy's body in the shop, Perry went to get a policeman. He found one and brought him to the shop and showed him the body of Kennedy. (TV: The Evil of the Daleks)