Erin Cahill

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Erin Cahill. Actress: Cut to the Chase. Erin Jessica Cahill is an American actress. She is best known for her roles as Jen Scotts in Power Rangers Time Force (2001), as Ted Mosby's sister, Heather, in How I Met Your Mother (2005), and as Kendra Burke in Saving Grace (2007). She had a recurring role as Felicity in the ABC series Red Widow (2013). She is also noted to be...