Question: What is the name of the Scottish actor who has played the part of 'Doctor Who', and who played the part of Daniel in a British radio sitcom as part of a childless couple?
Sentence (from "Double Income, No Kids Yet"): Double Income, No Kids Yet is a British radio sitcom written by David Spicer and originally broadcast on BBC Radio 4 from June 2001 to November 2003.
Relevant evidence: Yes