Booker for Upstairs at the Downstairs.

S2E3 - Susie and Midge spot Billy at the Stage Deli when Harry goes over to talk to him. Susie tries to get Midge to seduce him, but she refuses.

SUSIE: Oh, look who Harry's with now. That's Billy Jay. He books the Upstairs at the Downstairs. I'd give my right nut to get you in there.
– S2E3

3. The Punishment Room (uncredited)

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