Board Thread:Spoilers!/@comment-1916997-20160218220955

Just so everyone knows. He will be in 515.

http://www.etonline.com/tv/182609_exclusive_once_upon_a_time_casts_costas_mandylor_captain_silver/

And the actor's IMDB page:

http://www.imdb.com/name/nm0541908/ 