The Mad Men Costumes True Fans Are Still Talking About

More telling than even her most striking ensembles were Joan's trendsetting accessories.

"The pen necklace I found at a flea market," Bryant told us. "It's funny because it wasn't planned out, but that really became Joan's sword, protecting herself from all those terrible men."

Throughout the series, she also wore charm bracelets, another one of Bryant's favorite touches. "I've always been obsessed — my mother actually has huge a collection," she said.

"[Weiner] said, 'I'd love for Joan to have bracelets that when she shakes hand, you hear noise, that clink, clink, clink.' I knew just what to do, and it had that full effect."