Daniel Sharman plays abused teen beta werewolf, Isaac Lahey, abused 由 his own father and he was the first member to 加入 Derek's pack and was the only one who stayed in the pack when Erica and Boyd were kidnapped 由 the Alpha pack and was in a 拱顶, 保险库, 跳马 for 3 months and Erica was killed 由 the Alpha Pack and Boyd was accidentally killed 由 pack leader, Derek, and was a big help to Derek, Scott, and Chris 由 helping to defeat Gerard and the Kanima (Jackson). And he also helped Scott, Derek, Chris, and Allison to stop Boyd and Cora from attacking innocent people 由 trapping them in the school's boiler room, So three cheers for Isaac!