Erin Jessica Cahill (born January 4, 1980) is an American actress. She is best known for her roles as Jen Scotts in Power Rangers Time Force, Ted Mosby's sister Heather in How I Met Your Mother, and Kendra Burke in… Erin Jessica Cahill (born January 4, 1980) is an American actress. She is best known for her roles as Jen Scotts in Power Rangers Time Force, Ted Mosby's sister Heather in How I Met Your Mother, and Kendra Burke in Saving Grace. She had a recurring role as Felicity in the ABC series Red Widow. She is also noted to be the first lead female character for the Call of Duty franchise, as Chloe 'Karma' Lynch in Call of Duty: Black Ops II and Rebecca Chambers in Resident Evil: Vendetta. Since 2016, Cahill has worked primarily in television movies for Lifetime and Hallmark.
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