The adjudicators will visit public performances by the registered companies, and will choose 5 companies for the final round.
The final will be held in the Theatre on the Eisteddfod Maes over a number of days in the week. Preliminary rounds must be held by 18 May 2018.
The acting competitions operate the rules and regulations of Cymdeithas Ddrama Cymru
Adjudicators: Gwennan Mair, Gwynedd Huws Jones
113. Best Actor in competition 112
Prize: Bro Dinefwr Cup to be held for a year (Rhoddedig gan Eddie Thomas) and £100 (William Owen, Borth-y-Gest)
114. Best Director in competition 112
Prize: £100 (Ruth a Bill Davies, Caerdydd)