Ptacek (far left) and other kids with Michelle Obama, Elmo, and Big Bird.
Fátima Ptacek (b. 2000) is a child actor and model who appeared on Sesame Street Episode 4187 in a segment with Michelle Obama, planting tomatoes. (YouTube) She also appeared on a Talk, Listen, Connect DVD.
From Queens, New York City, Ptacek's first lead series role was the voice of Dora on Nickelodeon's Dora the Explorer, playing the character for two seasons and in its spin-off Dora and Friends. She was preceded by Caitlin Sanchez and Kathleen Herles.
In 2009, Ptacek played Virginia in Macy's English and Spanish commercials and joined Santa in his sleigh in the 2009 Macy's Thanksgiving Day Parade. Other credits include Saturday Night Live, Royal Pains, and Body of Proof.