'Also - ONE MO TIME, MISS SAIGON (both Black Americans and Asians) , a full company of PORGY AND BESS and of course THE LION KING'.
Happy to stand corrected. Good examples.
Rosscoe - I do think that Sunset Boulevard is a bit of a stretch.
Hairspray would require (including understudies) a bare minimum of 14 black actors. Were there really this many imports in SB?
But, like you and alterego have pointed out, it has been done before so who knows?
'Downtown Elaiggghhhy?'