and just based on this....
"Behind the Iron Mask opened on August 2 but has been panned by critics. Starring former Three Degrees singer Sheila Ferguson, it was due to run until November 5."
and this,
Reviewing the production for The Stage, Mark Shenton branded the masked prisoner as looking “like a cross between a Halloween pumpkin, Shrek and Hannibal Lecter.”
Sorry I loved the 3 Degrees in the 1970's, especially hearing them live in Amsterdam.....but in a musical........one of them, uh no......
It is ridiculous to set a detective story in New York City. New York City is itself a detective story...
AGATHA CHRISTIE, Life magazine, May 14, 1956