Sheila Kelley has rounded out the cast of Snoot Entertainment’s “The Guest,” starring Dan Stevens.

Adam Wingard will direct from a script by Simon Barrett, while Keith Calder and Jessica Wu will produce for Snoot.

Story follows an ex-Marine who returns from a tour of duty a changed man and becomes a house guest to a military family whose eldest son recently died. Kelley plays the family’s grieving matriarch.

Production just started.

Past credits include “Matchstick Men” and “One Fine Day.” She is repped by IFA Talent Agency.