Roberta Valderrama is an actress and improv performer.

She spent her childhood in Miami, FL and Lima, Peru. She is best known for the role of Yolanda in "10 Items or Less," a partially improvised comedy series on TBS

TBS (TV channel)

TBS , stylized in the logo as tbs, is an American cable television channel owned by Time Warner that shows a variety of programming, with a focus on comedy. TBS was originally known as WTCG, a UHF terrestrial television station that broadcast from Atlanta, Georgia, during the late 1970s...

. Yolanda is "the power behind the produce counter and the mother of Carl's child." She has also played the part of Stephanie, a candy striper who stalked Erik Palladino on ER

ER (TV series)

ER is an American medical drama television series created by novelist Michael Crichton that aired on NBC from September 19, 1994 to April 2, 2009. It was produced by Constant c Productions and Amblin Entertainment, in association with Warner Bros. Television...

. She holds a BFA from the Carnegie Mellon School of Drama

Carnegie Mellon School of Drama

The Carnegie Mellon School of Drama is the oldest degree-granting drama program in the United States, founded in 1914 as a division of the College of Fine Arts at Carnegie Mellon University in Pittsburgh, Pennsylvania, United States....

 and has also appeared in such stage productions as Three Sisters, ‘Tis a Pity She’s a Whore, The Merchant of Venice

The Merchant of Venice

The Merchant of Venice is a tragic comedy by William Shakespeare, believed to have been written between 1596 and 1598. Though classified as a comedy in the First Folio and sharing certain aspects with Shakespeare's other romantic comedies, the play is perhaps most remembered for its dramatic...

and Grownups on the Playground.