Moustache

Jack Harkness sported a moustache in the 1970s. (TV: End of the Road)

Gordon Lethbridge Stewart owned a moustache when he was a colonel during his first encounters with the Second Doctor, (TV: The Web of Fear, The Invasion); and does so when helping his third, fourth, fifth, sixth, seventh, ninth, and tenth incarnations. (TV: Spearhead from Space-Battlefield; COMIC: The Warkeeper's Crown)

Ian Gilmore owned a moustache. (TV: Remembrance of the Daleks, onwards)

Captain Cook, an intergalactic explorer, owned a grey moustache up to his death. (TV: The Greatest Show in the Galaxy)

The Pied Piper owned a small moustache when posing as Spellman, director of Spellman's Magical Museum of the Circus. (TV: The Day of the Clown)