They joinJennifer Lopez, who was previously announced in the titular role.
Puigs novel was, of course, previously adapted for the screen by Hector Babenco.
That 1985 version was nominated for four Oscars, with William Hurt winning Best Actor.

(L-R) Diego Luna and TonatiuhJacques Burga; Carlos Eric Lopez
He recently wrapped production on Season 2.
Tonatiuh can be seen next in the Netflix thrillerCarry On; other credits include the TV seriesVida.
Luna is represented by WME.

Tonatiuh is represented by Animal Federation.