At 5'6", he is the shortest actor to ever play the Doctor in "Doctor Who".
He was the first Scottish actor to play the Doctor in "Doctor Who". The second was David Tennant.
In real life, he owns the straw hat that he wore in all of his "Doctor Who" appearances.
Like Tom Baker, he is of Irish Roman Catholic parentage and planned to join the clergy in his youth.
Along with Tom Baker, Paul McGann and David Tennant, he is one of four actors to play the Doctor in "Doctor Who" to be of Irish descent.
His father, James Kent-Smith, was killed in World War II several months before he was born.
His mother was Irish while his father was English.
Sylvester McCoy Quotes
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So this week's episode of 'Grimm' is one of the show's occasional jaunts..