“I became obsessed with it,” Dunham says of her limited series' source material.
Others… not so much.
Ahead, the creators break down the key guests for EW.

HBO
“Jen turned her into a sweetheart in a surprising way,” Dunham says.
“She’s so charming, even when she’s playing a hard-edged, tough, intense character.”
“So she covers it with her bravado and her beliefs.”

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Carleen (Ione Skye)
Passive and quiet, Carleen is the opposite of her sister Kathryn.
“We loved their Instagram stories,” Konner says.
“There’s no way I can imagine the character without Bridget,” Dunham raves.

HBO
Campingpremieres Sunday, Oct. 14, on HBO.

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HBO

Anne Marie Fox/HBO

HBO