Justin Petretti is an actor who appeared as a prisoner in the Star Trek: Voyager first season episode "Caretaker". He received no credit for this appearance but was identified by the call sheet for the day of filming. He filmed his scene on Thursday 6 October 1994 on location at Griffith Park.
Petretti worked as stand-in on Roswell (1994, with Bob Gunton, Charles Hallahan, Eugene Roche, Doug Wert, John Hostetter, Michael Bofshever, David Selburg, Gary Bullock, Mark Phelan, Don Fischer, John Mahon, Warren Munson, Richard Fancy, Larry Dobkin, Parley Baer, Bruce Gray, Brian Cousins, and James G. MacDonald) and L.A. Confidential (1997, with James Cromwell, Paul Guilfoyle, Matt McCoy, Steve Rankin, Allan Graf, Symba Smith, Robert Clendenin, Shane Dixon, Don Pulford, John Mahon, Jim Metzler, Steven Lambert, Brenda Bakke, Irene Roseen, Jeff Austin, Jimmy Ortega, Dell Yount, and fellow stand-in Joe Durrenberger).
He performed stunts in the action film Excessive Force II: Force on Force (1995, with Dan Gauthier, Cyril O'Reilly, Michael Wiseman, James Lew, Tom Wright, Peewee Piemonte, Doug Wert, Carl Ciarfalio, Terry James, and Kurt D. Lott) and worked as layout board artist on 100 Women (2002, with Jennifer Morrison, Clint Howard, Jimmie F. Skaggs, Richard Tanner, Chuck Borden, and Brian Hite).