“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.

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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.”

CampingPictured: Jennifer Garner as Kathryn McSorley-Jodell.

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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.

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HBO

Campingpremieres Sunday, Oct. 14, on HBO.

CampingArturo Del Puerto, Juliette Lewis.Credit: Anne Marie Fox/HBO

Anne Marie Fox/HBO

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HBO

Camping

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HBO