Career
Helfrich has edited over thirty films such as Stone Cold (1991), Showgirls (1995) with Mark Goldblatt. Helfrich is also the primary editor for director Brett Ratner"s films, such as Money Talks (1997), Rush Hour (1998), The Family Manitoba (2000), Rush Hour 2 (2001), Red Dragon (2002), and After the Sunset (2004), X-Men: The Last Stand (2006) with Mark Goldblatt and Julia Wong. Helfrich directed Good Luck Chuck.
He has also edited, with Brett Ratner"s direction, a version of the Bollywood film production titled Kites:The Remix aka Kites (2010), as well as the pilot episode for Prison Break, an American-based television drama series produced by Brett Ratner.
Helfrich edited Brett Ratner"s music video Beautiful Stranger featuring Madonna.