According to the channel, Stiles will “play a mysterious young woman who forms a unique relationship with Dexter (Michael C. Hall) in the wake of the death of his wife.”
Season five of “Dexter,” which starts production this month, will run this fall on the channel.
Stiles’ feature credits include “Ten Things I Hate About You,” “Save the Last Dance,” “The Omen” and the three “Bourne” movies opposite Matt Damon.
“Dexter” also stars Jennifer Carpenter, Desmond Harrington, C.S. Lee, Lauren Vélez, David Zayas, and James Remar.