She is of Spanish, Scottish, Irish and English descent.
Catwoman is another comic book character she would like to portray.
Before getting the part of Zatanna, Serinda had previously auditioned for Tess Mercer and Maxima on Smallville.
Originally auditioned for the role of Medusa but ended up getting the role of Aphrodite in Percy Jackson & the Olympians: The Lightning Thief (2010).
Once worked as a waitress at a restaurant.