Several new recurring characters were introduced in the sixth season. "Deadwood" actor John Hawkes was cast to portray a character named Lennon and Japanese actor Hiroyuki Sanada obtained the role of ; both men are Others stationed at the temple. Also, William Atherton was cast in a guest role as the principal of the school where Ben works. Sheila Kelley has been cast in a recurring role that was initially described as "Kendall" and later confirmed to be "Zoe".