Dan Stevens David Haller Actor Aubrey Plaza Lenny Actor Rachel Keller Syd Actor Katie Aselton Amy Actor Jean Smart Melanie Bird Actor Jeremie Harris Ptonomy Actor Amber Midthunder Kerry Actor Bill Irwin Cary Actor Noah Hawley Executive Producer Lauren Shuler Donner Executive Producer Bryan Singer Executive Producer Jeph Loeb Executive Producer Simon Kinberg Executive Producer Jim Chory Executive Producer John Cameron Executive Producer