Known by many for her breakout role on Seinfeld playing Jerry's Native American girlfriend, Winona, Kimberly has enjoyed a long career in film, television and theatre. Her recent roles include the joining the ensemble of the HBO Original Series IT: WELCOME TO DERRY, Netflix's THE ABANDONS, and the feature film KEEP QUIET opposite Lou Diamond Phillips. Other streaming credits include playing "Auntie B" in FX on the breakout comedy RESERVATION DOGS, "Katie Clarke" opposite Emily Blunt and Chaske Spencer in the lauded Amazon/BBC limited series THE ENGLISH , the "Head Ranger/Mom Skycedar" in Netflix's hit animated series SPIRIT RANGERS and "Ellie Yankton" in Bethesda's epic role-playing game, STARFIELD. Her film credits include the critically acclaimed feature, MONTANA STORY opposite Haley Lu Richardson and Owen Teague, the gritty revenge thriller CATCH THE FAIR ONE opposite Emmy nominee Kali Reis, and THE GLORIAS, where Kimberly plays legendary Cherokee Chief Wilma Mankiller opposite Julianne Moore as Gloria Steinem. On stage, Kimberly originated the role of "Johnna" in Tracy Letts' Tony Award-winning play AUGUST: OSAGE COUNTY (Chicago, Broadway, London, Sydney) and also starred in MANAHATTA (The Public Theater, NY) and THE FRYBREAD QUEEN (Native Voices, LA). Kimberly's Indigenous heritage is Colville (enrolled) and Salish, and she is married to composer and musician, Johnny Guerrero. The couple have worked for years in tribal communities mentoring youth and supporting wellness through the creation of original films, online content, and music, and she currently serves as a Professor at UC Riverside teaching acting and screenwriting.

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Kimberly Guerrero and Taylour Paige in IT: Welcome to Derry (2025)

Kimberly Guerrero, Chaske Spencer, Emily Blunt THE ENGLISH Premiere NYC

Kimberly Guerrero "Wilma Mankiller" and Julianne Moore "Gloria Steinem" from THE GLORIAS.

Kimberly Guerrero as "Auntie B" in Reservation Dogs

D'Pharaoh Woon-A-Tai, Paulina Alexis, Lane Factor, and Devery Jacobs in Reservation Dogs (2021)

Julia Louis-Dreyfus, Jerry Seinfeld, Jason Alexander, and Michael Richards in Seinfeld (1989)

Kimberly Guerrero(I)

Kimberly Guerrero(I)

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