Agnes Moorehead.
And correct about Automat.
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The supporting actress in "That Touch of Mink" was Audrey Meadows, the real-life wife of Steve Allen. She looks a lot like Agnes Moorehead did when she was younger. I just watched this movie a few days ago on AMC.
Ennnhhh! Steve Allen's wife was JANE Meadows, not Audrey Meadows. Audrey co-starred with Jackie Gleason in The Honeymooners.
Something about Jane always rubbed me the wrong way. But Audrey was nice.
I didn't know that (I haven't seen the movie much if at all); I was cued by the "Bewitched" reference! Thanks for the correction.