My 'John Agar' Contest!"

This time I was giving away an 8 X 10 Autographed Anniversary Commemorative Photo!
These photos will not be available until February 4 at the 50th Anniversary Event at the AFI Silver!

To win all you have to do is select the correct answer to our mystery question from the provided list, completely and correctly fill out the form and submit it by Friday, February 10, 2023.  On Saturday, February 11, 2023, I'll have a random drawing from all the complete and correct entries to select the winner. Only ONE ENTRY PER PERSON is permitted! All entry information provided is used only to send the prize to the winner. No names will be distributed to anyone and no one will be added to any mailing or call list.

Actor John Agar starred in a lot of horror movies.
In what film was he placed in a glass tube?