Dan Stevens David Haller Actor Rachel Keller Syd Actor Aubrey Plaza Lenny Actor Bill Irwin Cary Actor Navid Negahban Amahl Farouk Actor Jemaine Clement Oliver Bird Actor Jeremie Harris Ptonomy Actor Amber Midthunder Kerry Actor Hamish Linklater Clark Actor Jean Smart Melanie Bird Actor Noah Hawley Executive Producer, Writer 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 Nathaniel Halpern Writer Tim Mielants Director