Anna Torv (Fringe) is set to star Ryan Murphy's HBO pilot Open, THR reports. The "human sexuality drama" marks Torv's return to television following the conclusion of her turn as Agent Olivia Dunham on FOX's Fringe.

Jennifer Jason Leigh has also joined the cast as one of Torv's on-screen love-interests. The pilot is being described as, "a multi-character exploration of the complex, ever-evolving landscape of sexuality, monogamy and intimacy in relationships."Murphy co-wrote the script with Dexter's Lauren Gussis and will executive produce. Torv's character Windsor is in a long-term relationship with Leigh's Holly in the series, but she is drawn to another character, Grace, when she meets her. Windsor is a yoga instructor, while Holly is an career-obsessed actress.Scott Speedman (Last Resort) will play a sports agent named Jonathan who is married to the aforementioned Grace, a gynecologist who is going through a period of confusion about her sexuality following an unexpected affair with Windsor. Casting for Grace is currently underway.The Hunger Games' Wes Bentley has also boarded the project as Evan, a man who is almost a full of ideas about sex as he is of himself.HBO ordered the pilot in April. We will keep you updated as details emerge.