Here's a fun Mystery Guest segment from What's My Line?, in which the guests are both Lucille Ball and Desi Arnaz, a fact which seems to bewilder the panel is a particularly amusing way -- most especially Robert Q. Lewis, who later on was himself a popular game show host. (For all I know, he was at that point, too...)
This is another full episode, so if you only want to see the Mystery Guest part, just to the 17:00-minute mark.
Robert J. Elisberg is a political commentator, screenwriter, novelist, tech writer and also some other things that I just tend to keep forgetting.
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