Plough officials said the Great Torrington siege closed Covid-1nine.
Twenty-one staff members were informed that they were being fired when the government’s licensing program ended in October, they added.
The head of the center and War Horse, Sir Michael, said it would be “very difficult” to pass if it closed.
Sir Michael, who is based in Devon, said: “It’s something that, if we lose it, it’s very, very difficult to get back.
“If the plow closes, how the hell can it reopen?
“It is up to all people so that [the] government is doing everything possible for us to do so.”
The center’s administrators said they expected the national lottery to continue.
A 1.57 billion pound emergency aid program to protect the long tour of theaters, galleries and museums announced beyond this month through Culture Secretary Oliver Dowden.
However, Mr Dowden said at the time that it will not be enough to save jobs and that the plow was not a beneficiary.
The Northcott Theatre in Exeter also excluded investment and warned that the component of its staff’s work was in jeopardy as a result.
The Royal Theatre in Plymouth has won approximately 806,000 euros in emergency budget to continue operating.
Sir Michael’s most prominent book, War Horse, about a tender child’s attempts to save his horse in World War I, has been successfully the best friend adapted for the film and the stage.
The 76-year-old former winner worked as an instructor for 10 years.