Actress Gillian Anderson has found it tough reprising her most famous role for the forthcoming The X Files movie. The star played F.B.I agent Dana Scully in the sci-fi TV series until it finished in 2002, and admits having a six-year break from the character has been difficult to deal with. She says, "I expected to get back into Scully like flipping on a light switch but it's taken a lot more effort." The as-yet-unnamed film - a follow-up to the series' first big-screen outing in 1998 - is slated for release later this year (08).