Lori LethinCallie Cassidy / Sarah Walker / Susan Brendan HughesSteven Blake Andy RomanoPrincipal Kastleman Richard BrestoffArthur Lyman Kastleman Pepper MartinChief Deyner Maureen McCormickOfficer Tyler Vince EdwardsRichard Birnbaum Philip McKeonRichard Farley Michael Eric KramerDonny Porter Remy O'NeillEsther Molvania Kristi SomersGinny McCall Marvin J. McIntyreRobbie Rice Greta GrigorianProduction Design Roy H. WagnerDirector Of Photography Marcy Grace FroehlichCostume Design Michael SpatolaMakeup Artist Rachel TalalayFirst Assistant Director Allyson ScheluProduction Secretary Douglas J. WhiteSpecial Effects Supervisor 
