Producer Lee Dean shared a production photo on Twitter and burtonjr88 shared a picture of the cast at curtain call for the third preview (via hellyescharlesedwards).
and here are a couple of review excerpts
Cream of Vampire Soup
"... it was Charles Edwards who pulled all the strings together and made this the slick production it is. As the one character who's thread runs through the entire play, he had a big role to play, but this man is a perfect fit for Coward's work. He has that kind of easy charm that makes a cad into a hero."
West End Whingers
"The consistently terrific Charles Edwards... Edwards’ fabulous hair warrants one [a standing ovation] in itself..."