Theatre Mamusidom

Blue Mountains Theatre

upcoming events

Since its inception towards the end of 2019, Theatre Mamusidom has been plagued with Corona lockdowns and two cancellations, one owing to the corona virus and one owing to unforeseen circumstances two weeks before production, both resulting in a considerable financial loss. Nevertheless, like the phoenix, Theatre Mamusidom has risen from the ashes and is ready to start afresh. Our next production will be in early December. More details to follow

Expressions of interest are invited from people in various fields - actors, directors, technical directors and supporters. Write to 

drawing by John Ellison

After two years of lockdowns and uncertainty about the future,Theatre Mamusidom, is proud to present its next production,  Orchids in theMoonlight by renowned Mexican writer, Carlos Fuentes. Set in Venice on the day of the death of Orson Welles, the play  is a beautiful example of magic realism wherein two two older chicanas  live the Hollywood dream. Focussing on themes of age and illusion and written with beautifully lyrical language and glorious music, this extraordinary play stretches the audience's imagination and will leave the audience with a lasting experience.






Enquiries Liz on 0477827752



Theatre Mamusidom


about us 


Located in the upper Blue Mountains ,  Theatre Mamusidom is a newly formed vibrant company established by Liz de Koster in 2021 .

After an absence from the stage for several years owing to caring for her husband in his final years, Liz has eagerly resumed  her former acting and directing skills with the formation of Theatre Mamusidom. The aim of the company is to produce excellence in theatre in a wide spectrum of drama - from tradition to innovative, by playwrights, past and present from within Australia and abroad.

Liz explains “there is so much acting talent in the Blue Mountains and room for a companion to the Blackheath Theatre Company, of which I am an enthusiastic member and currently oversee the Local Script Development Program.”

Puzzled by the name Mamusidom?  Liz explains “my parents were Polish and it means  "Mother Home”.

Liz de Koster is the widow of the late and well-known local artist, Jose de Koster whose autobiography, "Fragments of a Journey, A Fistful of Life" Liz edited and published, extracts from which can be seen on





scenes from The Picasso Affair

Orchids in the Moonlight

drawing by John Ellison

Expressions of interest


Please support Theatre Mamusidom

Would you like to get involved - as actor, director,lighting/sound, front of house, promotional, sponsor etc. Contact Liz de Koster. at or on 0477827752