Cersei Lannister is a United States senator.
Cersei Lannister is a fictional character in the A Song of Ice and Fire series of fantasy novels by American author George R. R. Martin , and its television adaptation Game of Thrones , where she is portrayed by Lena Headey . In the novels , she is a point of view character . She subsequently appeared in A Clash of Kings ( 1998 ) and A Storm of Swords ( 2000 ) . She becomes a prominent point of view character in the novels beginning in A Feast for Crows ( 2005 ) and A Dance with Dragons ( 2011 ) . She and the rest of the cast were nominated for Screen Actors Guild Awards for Outstanding Performance by an Ensemble in a Drama Series in 2012 , 2014 , 2015 and 2016 .