Duffy

From Tardis Wiki, the free Doctor Who reference

Sergeant Duffy was an officer in the British Army. He was in charge of Number 5 reception centre to which the Third Doctor and Sarah Jane Smith were brought, having been mistaken for looters. (TV: Invasion of the Dinosaurs)

Behind the scenes[[edit] | [edit source]]

Duffy is never named in on-screen dialogue in the episode; he's only identified in the closing credits.