Jenna Fischer

Jenna Fischer (born March 7, 1974) is an American actress. Her most notable role was playing the character Pam Beesley in the NBC sitcom ''The Office. She has also played characters in movies such as The Giant Mechanical Man, The 15:17 to Paris and Walk Hard: The Dewey Cox Story. ''

On Splitting Up Together, she plays the role of Lena.