I can get a little more in depth here. I’m kinda sorta addicted to crossword puzzles, and today’s either contains an error or my brain broke:
The clue in question is 34 across. I believe the puzzle creator mixed up Alan Alda with Alan Arkin, who actually appeared in Catch-22. I went through the cast list and can not find anyone to fit in that slot.
Here’s the same puzzle partially filled in so you can see what I’m talking about: