Francesca Marie Smith

Francesca Marie Smith (born March 26, 1985) is an American actress. She is best known as the voice of Helga Pataki and Timberly Johanssen. This was on Nickelodeon's "Hey Arnold!" series (1996–2004).
Personal life.
Smith graduated from California's Stanford University with a Bachelor of Arts degree. She earned a Master of Arts degree in Communication at Pepperdine University. Smith taught Public Speaking and Rhetorical Analysis at Pepperdine. This is while she continued to work as a debate coach. She is a doctorial candidate at the University of Southern California.