[Update 2: This is Charles Dingle (d. 1956). He appeared in the 1941 stage and film versions of Lillian Hellman’s “The Little Foxes.”]
Here’s another photo, courtesy of Steven Bibb.
Update: Here’s another mystery photo!
Please congratulate: Richard Heft (after a loonnnnng absence — welcome back!), Mary Mallory, Mike Hawks, Don Danard, Julie and (2 minutes later) B.J. Merholz, Claire Lockhart, Benito and Rick Scott for identifying our mystery chap.