Grover ("Return from Outer Space"

Grover (portrayed by Harry Harvey) is a character in the episode “Return from Outer Space.” He is a shopkeeper in the town where Will arrives on Earth. He allows the boy to use his telephone, but when he overhears Will making a long-distance call, he ejects him from the store. He later sells the carbon tetrachloride Will needs to Davey Sims, who races across the town square to give it to Will seconds before his departure.