So, who was/is the best then....? And why? Basil Rathbone Peter Cushing Jeremy Brett Robert Downey Junior Benedict Cumberbatch Jonny Lee Miller Some also-rans who didn't quite make the poll.... Tom Baker ("My spectacular failure!" as he put it.) Gene Wilder (The Adventures of Sherlock Holmes' Smarter Younger Brother) Michael Caine (Without a Clue) Dinsdale Landen (Radio) and many others!