After graduating from UCSD, two of Marnich's plays written while she was a graduate student were launched nationally. Her play
Quake premiered at the Actors Theatre of Louisville's Humana Festival of New American Plays in 2001. In that same year, her play
Blur premiered at Manhattan Theatre Club. Her plays have been produced at Manhattan Theatre Club, The Kennedy Center, Dallas Theater Center, Baltimore Center Stage, Steppenwolf Theatre Company and The Actors Theatre of Louisville's Humana Festival of New American Plays. She is a member of The Playwrights’ Center and an alumnus of New Dramatists. She also serves on the board of trustees for the Humanitas Foundation. Her other plays include:
Tallgrass Gothic (premiere: Actors Theatre of Louisville's Humana Festival of New American Plays);
Cradle of Man (premiere: Victory Gardens Theater);
These Shining Lives (premiere: Baltimore Center Stage); and
A Sleeping Country (premiere: Cincinnati Playhouse in the Park). Marnich began writing for television when she joined the HBO drama
Big Love as staff writer for the show's third season. She remained on that show through its fifth and final season. Since, she worked on Showtime's
The Big C and
The Affair (as co-executive producer); and for AMC's
Low Winter Sun. She also served as co-executive producer on
The OA for Netflix. She has developed work with HBO, AMC, Silver Pictures, Amblin, Scott Free and TNT, and Amazon.
Personal life Marnich is married to playwright
Lee Blessing. They reside in Los Angeles. == Filmography ==