Complex sentence: Erin Jessica Cahill (born January 4,1980) is an American actress best known for her roles as Jen Scotts in "Power Rangers Time Force", Heather Mosby in "How I Met Your Mother", and Kendra Burke in "Saving Grace".
Split into simpler sentences: 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", Heather Mosby in "How I Met Your Mother", and Kendra Burke in "Saving Grace".