“90210” alum Jessica Stroup has been cast in “Marvel’s Iron Fist” on Netflix, Variety has learned exclusively. Tom Pelphrey (“Banshee,” “Guiding Light”) has also been cast in the upcoming superhero series.

Stroup will play the series regular role of Joy Meachum. Pelphrey will play her on-screen brother, Ward Meachum.

The duo joins the title star Finn Jones (“Game of Thrones”), who will play Danny Rand/Iron Fist; Jessica Henwick, who will co-star as Colleen Wing; and David Wenham, who will play Harold Meachum, the father to Joy (Stroup) and Ward (Pelphrey).

The children of Harold Meachum (Wenham), Joy and Ward have spent their lives building Rand Enterprises to its current standing in the world, only to have all their work put in jeopardy when Danny returns to claim his birthright. They are childhood acquaintances of Danny Rand’s who now play an important role in Rand Enterprises.

“Marvel’s Iron Fist” follows Jones’ Danny Rand as he returns to New York City after being missing for years. He fights against the criminal element corrupting New York City with his incredible kung-fu mastery and ability to summon the awesome power of the fiery Iron Fist. “Dexter” alum Scott Buck will serve as showrunner.

Stroup and Pelphrey are the final two series regulars to be cast in “Marvel’s Iron Fist.”

Stroup starred on the CW’s “90210” reboot, plus Fox’s Kevin Bacon vehicle “The Following.” She is repped by ICM. Pelphrey is repped by the Gersh Agency and Red Letter Entertainment.