Tristan will direct Zena Forster's new play 'The Fourth Dog' for Oxford based company 'Human Story Theatre'.
The play, a comedy about breast cancer and family baggage, will tour 8 Oxfordshire venues in July 2017.
Dramaturgy by John Retallack, movement direction by Emma Webb.
Cast includes: Karen Ford, John Tolputt, Renata Allen, Gaye Poole, Amy Enticknap and Adrian Banks.