666 Park Avenueis a dark mystery series staring Terry O'Quinn, Vanessa Williams, and Dave Annable.
Dollar, who will play an obituary writer who yearns to be a real journalist, has television credits including Guiding Light, Women's Murder Club, and Weeds. In addition, she recently starred in Itamar Moses' Completeness at Playwrights Horizons.
Doyle, known for his roles on Oz, Law & Order: SVU, and A Gifted Man, will play the recurring character Frank Alpern. His stage credits include Burning Blue, Betrayed, and The New Century, Off-Broadway.
Actress Mili Avital, recently seen on Damages, will play a lonely woman who harbors a dark secret.