ROMANA: You mean you didn’t believe his story?
THE DOCTOR: No.
ROMANA: But he had such an honest face.
THE DOCTOR: Romana, you can’t be a successful crook with a dishonest face, can you?
Doctor Who (1963-1989) British science fiction television series, original run (BBC)
16×01 “The Ribos Operation,” Part 2 (1978-09-09 [w. Robert Holmes]
(Source)
