The West End Proms show which was scheduled for Friday July 5 will not be going ahead.
A spokesperson from Cuffe and Taylor said: "Due to unforeseen circumstances the West End Proms event is no longer going ahead at Scarborough Open Air Theatre.
"This is not a decision we have taken lightly and we apologise to all musical theatre fans who bought tickets for what would have been an incredible show.
"All ticket holders will receive a full refund via their point of purchase."