A Pair Of Lovely Ladies Fly To "Birdman"

Two actresses have joined the cast of the dark comedy "Birdman"

Andrea Riseborough.will play the role of Laura says Deadline. While Screen Daily has Oscar nominee Amy Ryan ("Gone Baby Gone") signing on as well.

The story follows a former actor (Michael Keaton) who once played an iconic superhero. He is busy mounting a Broadway play based on author Raymond Carver's short story in a bid to reclaim past glory. However, the play’s egotistical leading man (Edward Norton) threatens to throw everything into chaos.

Ryan will play Keaton’s character’s long suffering ex-wife.

Emma Stone will play Keaton's fresh from rehab daughter and assistant. Naomi Watts will be an actress in the play, and Zach Galifianakis will play the production's conniving producer.

Alejandro González Iñárritu will direct using a script he co-wrote with Nicolás Giacobone.

Alexander Dinelaris and Armando Bo. Inarritu, Robert Graf and John Lesher will produce the film

Production kicks off in early April.