Alternate timeline
(covers information from an alternate timeline)
Harvey was an A500-type synth unit who served as a valet to his universe's General Jean-Luc Picard. (PIC: "Penance")
He was in a room at Château Picard, and greeted Picard after he entered. Harvey told Picard how the solar shields were holding, and asked if he needed anything. (PIC: "The Star Gazer")
Harvey was played by Alex Diehl.