The event, now in its eighth year, sees established actors, writers and directors come together to create a series of six short plays in the space of 24 hours.
The event raises funds for The Old Vic Theatre Trust and its work, through Old Vic New Voices, to mentor the next generation of creative talent.
Cast confirmed to date include: Jane Asher, Nancy Carroll, Lily Cole, Sanjeev Bhaskar, Brendan Coyle, Mackenzie Crook, Lisa Dillon, Freddie Fox, Robert Glenister, Anthony Head, Ruthie Henshall, Mathew Horne, David Horovitch, Gina McKee, Sophia Myles, Katherine Parkinson, Julian Sands, Rachael Stirling, Isy Suttie and Indira Varma.
Hosted by comedian and actor Rob Brydon, the event is an evening of “never to be seen again performances”.
The team of actors will be working with directors including Tom Cairns, Simon Godwin, Tamara Harvey, Josie Rourke and Charlie Westenra, and writers Amy Rosenthal, Jack Thorne and Roy Williams.
The event kicks off at 10pm on Saturday 12 November when the actors, writers and directors meet at The Old Vic for the first time. Following overnight script writing and a day of intensive rehearsals and line-learning six brand new plays are unveiled on the Sunday night to the Gala audience.
To buy £250 and £125 tickets, call the Gala Hotline 020 7401 9280 or email firstname.lastname@example.org. To buy £75 tickets, call the Box Office on 0844 871 7628.