Disclosure Day (2026) Cast & Character Guide — No Spoilers | Who's That?

Who plays who in Disclosure Day (2026)? Browse a spoiler-free character guide with photos of every major character and the actors behind them, including Emily Blunt, Josh O'Connor, Colin Firth.

• Margaret Fairchild — played by Emily Blunt
• Dr. Daniel Kellner — played by Josh O'Connor
• Noah Scanlon — played by Colin Firth
• Jane Blakenship — played by Eve Hewson
• Hugo Wakefield — played by Colman Domingo
• Jackson — played by Wyatt Russell
• Casper Boyd — played by Henry Lloyd-Hughes
• Sister Maura — played by Elizabeth Marvel
• Serena — played by Hettienne Park
• Santiago — played by Tommy Martinez
• Angela Childs — played by Gabby Beans
• Claypool — played by Jeremy Shamos
• Nathan Twining — played by Brandon Wilson
• Grace Zhao — played by Priyanka Kedia
• Terri — played by Lora Lee Gayer
• Red Wrestler — played by Lance Hoyt
• Wrestling Referee — played by Chavo Guerrero Jr.
• Blue Wrestler — played by Brian Button
• Agent Diaz — played by Elliot Villar
• Agent Munsey — played by Noah Robbins