In 2012, she played the role of Vanessa Reeve in The Forger alongside her stepson, Scott Eastwood, and Josh Hutcherson.
At the liberation of Holland, he detected a recently acquired Vermeer at the Rijksmuseum and led ultimately to the exposure of the forger Han van Meegeren.
Giwelb was responsible for the unmasking of the forger Dr. Bernhardt Assmus, after he bought forged Penny Black VR official stamps from Assmus.