Rhys Hollis (also known as Rhys's Pieces) is a cabaret artist and director of OMOS, as well as starring in the film. Rhys Hollis is described as a one-man cabaret troupe; they are a performance artist, dancer, rapper, lip syncer, cabaret host, gender-bending drag artist and burlesque act. They were crowned winners of the 2018 LipSync1000. In 2019, they were awarded the title of Best Variety Act by QX magazine. They have performed at galleries including the Tate, V&A and the Royal Historic Palaces and performed as themselves in the play “The Sound of the Underground” at The Royal Court, London in 2023, which received five star reviews in The Guardian, The Independent, Attitude, Time Out and The Stage. They host cabaret nights across the UK, including their own creation, Queerdos Cabaret. OMOS is his debut film.