Her Costly Affair A professor's casual fling with her graduate student turns deadly when he insists on a more permanent arrangement. Details Casts Posters Title Her Costly Affair Release Date 1996-10-28 Runtime 01 Hours 36 Minutes Genres Thriller TV Movie Production Companies Carmen Culver Films, NBC, Peter Frankovich Productions, Finnegan/Pinchuk Productions Production Countries United States of America Bonnie Bedelia... Dr. Diane Weston... Brian Austin Green... Jeff Dante... Joe Spano... Carl Weston... Gina Philips... Tess Weston... Steven Gilborn... Dr. Sorenson... Roma Maffia... Sally Canter... Andrew Craig... Matt... Ron Brooks... Bob... Gene Wolande... Don... Zar Acayan... Ray... David Ramsey... Shep Walker... William Bassett... Ed Baines... Benito Martinez... Campus Cop... Taylor Sheridan... Chris... Amy Smart... Dee... Jeanne Sakata... Mrs. Beals... Laurie Fortier... Liz... Amanda Carlin... Jeannette... Chris Ellis... Wes... David Quittman... Johnny... Sara Mann... Student... Original Size (1000x1500) Original Size (957x1419)