Sarah Kosar is an internationally produced playwright, based in London on an Exceptional Promise in Playwriting visa. She holds a Masters in Writing for Stage and Broadcast Media from Royal Central School of Speech and Drama. Sarah also has a double Bachelor's degree in Theatre and Film from Pennsylvania State University. Sarah is the Inaugural Writer in Residence at The Archivist's Gallery. 


  • Human Suit

  • Armadillo

  • Spaghetti Ocean


  • Mumburger (Stephanie Koeniger Productions, Rough Hewn, The Archivist's Gallery)

  • Butter Brain: The Musical (Young and Talented, Theatre Royal Stratford East)

  • Butter Brain (Young and Talented, Directed by Roy Alexander Weise, Broadway Barking Theatre)

  • Armadillo (VAULT Festival 2016, MolinoGroup & Poleroid Theatre)

  • Big Body, Tiny Head (Commission for Royal Court Theatre Local : Pimlico)

  • Spaghetti Ocean (Full length - Live Lunch Reading at Royal Court Theatre)

  • Hot Dog (Full length - UK Premiere, Descent/The Last Refuge, London)

  • Hot Dog (Full length - USA Premiere, Thinking Cap Theatre, Florida)

  • morphin (Miniaturists 62, arcola theatre)

  • Seal (Etch Theatre, Pleasance Theatre)

  • Runt (Short play commission for Oxford School of Drama, Soho Theatre)

  • Play #3 / Triptych (Short play commission for PLAY Theatre Company)

  • Ice Cream (Short play commission - Little Pieces of Gold, Southwark Playhouse)

  • Fox (Short play commission - Descent, The Southwark Playhouse and Little Pieces of Gold, The Southwark Playhouse)

  • Pineapple, Ring My Arm, Click, Knuckle (Shorts - Outlines, Old Red Lion Theatre)

  • Colour (Short - Decent/The Last Refuge)

  • Before You’re Fourteen (Short Reading - Skylines/Theatre Centre in Collaboration with Hampstead Theatre)

  • Brother Husband (Short Reading - Soho Theatre, Departures Lounge)

  • Egg (Full Length Reading - BBC, Finalist in BBC International Playwriting Competition, The Lyric Hammersmith)

  • Gynotime (Short Reading - Orange Tea Theatre, Amsterdam)

  • PHYLLIS (Full Length Reading - Arch468, Cultural Conversations Festival Penn State University) 


  • Hashtag (Roundhouse Radio in conjunction with Hampstead Theatre and Roundhouse Radio)

  • Sarah is the producer and host of the iTunes New and Noteworthy Podcast Kin


Stop Motion films.Written, directed and edited by Sarah Kosar

  • Tallulah and the Baboon

  • Whale

  • Your Inner Pasta

  • Caution: Flammable When Hott


  • Mumburger (Methuen Drama)

  • Hot Dog (Playdead Press)

  • PHYLLIS as part of Cultural Conversations: Works in Progress/Writers in the Making (Elfrig Publishing)

EDUCATION: Sarah has a BA in Theatre, and a BA in Film from Pennsylvania State University. She also has a MA in Writing for Stage and Broadcast Media from the Royal Central School of Speech and Drama, London. 

WRITING GROUPS: Royal Court Summer Group, Hampstead Theatre Associate Writer, Royal Court Studio Group, Royal Court Young Writers Programme, Soho Young Writers Lab, Lyric Young Writers Programme (under Simon Stephens and Bola Agbaje)

Sarah is the founder of the playwright club, Playdate. Members include Vinay Patel, Isley Lynn, Stephen Laughton, Dave Ralf, Chris Adams and Poppy Corbett. 

ACADEMIC REFERENCES: Hot Dog has been introduced to Pennsylvania State University's Women in Theatre and Advanced Playwriting syllabus, both taught by Dr. Susan Russell. Hot Dog has also been taught as part of Arcadia University's Study Abroad Program at Royal Holloway University by Visiting Lecturer, Poppy Corbett. Sarah has also taught playwriting master classes  for ArtsEd, and Pennsylvania State University's Schreyer's Honour College. 

SPEAKING ENGAGEMENTS: Sarah is a seasoned speaker regarding playwriting, feminism, writing and other various subjects.

Some of her engagements have included being featured on BBC's Have Your Say, In Conversation with iO Tillett Wright (The Archivist's Gallery), Girls Make Shit Happen (Hackney Picturehouse as part of Bechdel Test Fest) - You can read her full manifesto herePlaywriting Masterclass (Pennsylvania State University's Scheryer's Honour College) Make Shit Happen (in Scenes) (ArtsEd London) and more. 

All scripts available on request. Please email or Emily Hickman at The Agency for further details.