Nigel Douglas's production, the first London revival of Hare's play, sees two people with opposing political views come together over a weekend in Shropshire, and "pits personal philosophies against global politics".
Peter Davison, who plays Oliver, is well known for playing the fifth Doctor in Doctor Who. His stage credits include Legally Blonde - the Musical (Savoy), Spamalot (Palace) and Dial M for Murder (UK Tour), and other screen credits include All Creatures Great and Small, Law and Order and At Home with the Braithwaites.
Thusitha Jayasundera (Nadia) has theatre credits including Tiger Country (Hampstead), A Day at the Racists (Finborough) and Crime and Punishment, War Horse and The Caucasian Chalk Circle (National Theatre). On TV, she was a series regular in both The Bill and Holby City and other credits include Broadchurch and Above Suspicion.
The Vertical Hour runs at the Park Theatre from 23 September until 26 October 2014.