Leland Orser has joined the cast of the Snoot Entertainment pic “The Guest” starring “Downton Abbey” thesp Dan Stevens.

Pic also stars Sheila Kelley and Brendan Meyer. 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 a changed man from a tour of duty  and becomes a houseguest to a military family whose eldest son recently died. Orser’s character’s boss then turns up dead.

Orser is making his directorial debut with “Morning,” released by Anchor Bay. He is repped by Gersh.