The show's ensemble cast also includes Josie Totah, Aubri Ibrag, Imogen Waterhouse and Mia Threapleton.
A group of fun-loving young American girls explode into the tightly corseted London season of the 1870s, kicking off an Anglo-American culture clash.
Sent to secure husbands and titles, the buccaneers' hearts are set on much more than that, and saying 'I do' is just the beginning..." the official plotline read.
Hendricks will play the character of Mrs St. George, mother to buccaneers Nan (Froseth) and Jinny (Waterhouse).
Directed by BAFTA Award winner Susanna White, the series is currently in production in Scotland.
'The Buccaneers' is executive produced by White, Beth Willis and George Faber Jakeways.