Dan Stevens as David Haller.
Rachel Keller as Sydney Barrett.
Jean Smart as Melanie Bird.
Bill Irwin as Cary Loudermilk.
Amber Midthunder as Kerry Loudermilk.
Jeremie Harris as Ptonomy Wallace.
Hamish Linklater as Clark Debussy.
Aubrey Plaza as Lenny Busker.
Navid Negahban as Amahl Farouk.
