Trivia: In season 2 flashback scenes, The Butcher is played by Ron Selmour. Selmour played Marcos in the series "Smallville." Marcos was on the island with Oliver Queen and captured him, with plans to ransom him.
Arrow (2012)
1 trivia entry for season 2
Starring: Katie Cassidy, David Ramsey, Stephen Amell, Colin Donnell, Emily Bett Rickards
The Magician - S3-E4
Revealing mistake: When Oliver meets Thea at the Grind and Jot Cafe (Which looks unsurprisingly like CC Jitters) you can see the cups on the table are from CC Jitters. (00:20:50)
John Diggle: The knife.
Oliver Queen: Right. The knife. I got lucky.
John Diggle: That was a kitchen knife. It wasn't even weighted properly and yet you threw it with accuracy across a ten foot room.
Oliver Queen: Exactly. I got lucky.