Katie Holmes was Jenji Kohan's 1st Choice for Piper
Stars Who Turned Down Iconic Roles
"Dawson's Creek" star Katie Holmes was OITNB creator Jenji Kohan's original choice for the role of Piper.
Holmes was apparently too busy with other commitments to sign on and the part went to Taylor Schilling.
http://www.cheatsheet.com/entertainment/14-actors-who-turned-down-iconic-roles.html/3/?ref=cpc_medium