Answer:

IAN

AnswerCrossword Clue
IANAirline monogram
IANAuthor Fleming
IANBond novelist Fleming
IANGolfer Woosnam
IANJames' creator
IANJethro Tull's Anderson
IANSpy writer Fleming
IANWriter Fleming
IANBond creator Fleming
IANChitty-Chitty Bang Bang writer .... Fleming
IANFleming or Hunter
IANFollower of Egypt?
IANJames's creator
IANOpera singer Bostridge
IANActor Holm
IANGolf pro Woosnam
IANJohn, but not loo
IANTull's Anderson
IANFleming of fiction
IANMcKellen of movies
IANPatrick's "Waiting for Godot" costar on Broadway
IANSomerhalder of "The Vampire Diaries"
IANActor McShane
IANSinger Janis
IANHolm of films
IANNovelist McEwan
IANMcEwan or McKellen
IANSinger nee Janis Eddy Fink
IANSwimmer "Thorpedo"
IANSwimmer Thorpe
IANAuthor McEwan
IANWoosnam of golf
IANMcShane or McKellen
IANScottish "John"
IANZiering of "Sharknado"
IANA Fleming
IANActor McKellen
IANMathematician Stewart who wrote "Flatterland"
IANMcShane of "Deadwood"
IAN"Saturday" author McEwan