Theatre credits include: as actor: Mourning Dove (Sudbury Theatre Centre), The Ghost Ship (Sundown Theatre), The Selkie of Kincardine (Sundown Theatre); original music composition: Birth of Frankenstein (Litmus Theatre); as assistant director: Stockholm (Seventh Stage Theatre Productions), Matchbox Macbeth (Litmus Theatre), The Mill: Part II, The Huron Bride (Theatrefront).  Upcoming: as director: Boom Barrier Home Baby (documentary feature film); as actor: Tuesdays and Sundays (Sundown Theatre), The Tale of a Town Kincardine (Fixt Point/Sundown Theatre). Other: Mariel is the Artistic Director of Sundown Theatre and is a graduate of the devised theatre program at York University.