Here's a photo Of Clark street looking north toward Randolph
There are 2 theaters on that image, The RKO Grand,showed movies,
The Erlanger, live theater,closed in 1962 with "Bye Bye Birdie"
In the background is the Greyhound bus terminal that replaced the Apollo theater,demolished in 1953.
There was a Cort theater on the Dearborn side that I don't have a closing date for, it's listed on a map from the twenties on the
Jazz Age Chicago web site. An image can be found at the following link
<a HREF="http://snuffy.lib.umn.edu/image/srch/bin/Dispatcher?mode=600&id=atc1837 ">snuffy.lib.umn.edu</a>