John Bradley-West acted as Samwell Tarly.
  While lacking his friends' fighting abilities and having self-professed cowardice, Samwell is highly intelligent, observant, resourceful and loyal, and eventually becomes Jon Snow's most trusted sidekick
 A self-professed coward with a love for books and songs, Samwell was forced by his father to abandon his birthright and join the Night's Watch so that his younger brother could become heir to Horn Hill

