Theresa Elizabeth "Teri" Polo (born June 1, 1969) is an American actress. She starred as Pam Byrnes-Focker in
the Meet the Parents trilogy (2000-2010). She was one of the stars of the sitcom
I'm with Her (2003–2004), had a recurring role as Helen Santos on the political drama series
The West Wing (2005–2006) and currently plays the lead role of police officer Stef Adams Foster in the
ABC Family series
The Fosters (2013–present).