Holliday Grainger (also credited as Holly Grainger) is an English actress best known for her television roles as Megan Boothe on Where the Heart Is (2003-2005) and as Lucrezia Borgia on The Borgias, since 2011.
Grainger starred as Dirty Debbie in the BBC Three pilot Stanley Park and took on the role of Emily in The Scouting Book For Boys, a film previewed to critical acclaim at the London Film Festival.
In May 2009, she played the role of Mollie in Pat Holden's feature Away Days, written by Kevin Sampson and starring Stephen Graham. She then made her stage debut as Lydia, alongside Jonathan Pryce and Anne Reid, in Athol Fugard's 1975 play Dimetos.
Grainger starred in BBC's television drama series Five Daughters, as well as reprising her role as Sharon Bilkin in the second season of Above Suspicion, based on the adaptation of Lynda La Plante's best-selling crime novels.
She appeared in Demons, The Adventures of Merlin, Robin Hood and Blue Murder with Caroline Quentin. Grainger was also recognized for her character of Charlie Cooper in the adaptation of Kate Long's novel The Bad Mother's Handbook, opposite Robert Pattinson.
Her other television credits include Waking the Dead, Waterloo Road and Where the Heart Is.