Ivan Reitman Director, Producer David Duchovny Ira Actor Orlando Jones Harry Actor Seann William Scott Wayne Actor Julianne Moore Allison Actor Ted Levine Gen. Woodman Actor Ethan Suplee Deke Actor Kate Towne Nadine Actor Michael Bower Danny Actor Pat Kilbane Officer Johnson Actor Ty Burrell Flemming Actor Gregory Itzin Cartwright Actor Dan Aykroyd Governor Lewis Actor Ashley Clark Lt. Cryer Actor Michelle Wolff Carla Actor Sarah Silverman Denise Actor Richard Moll Fire Training Inspector Actor Michael McGrady Fireman Actor Steven Gilborn Judge Guilder Actor Wayne Duvall Dr. Paulson Actor Michael Chapman Sheriff Long Actor, Cinematographer Kyle Gass Officer Drake Actor Lucas Dudley Sergeant Toms Actor Steven Pierce Sergeant Larson Actor Wendy Braun Nurse Tate Actor Jennifer Savidge Claire Actor Jerry Trainor Tommy Actor Stephanie Hodge Jill Mason Actor Kristen Meadows Patty Actor Winifred Freedman Debbi Actor Miriam Flynn Grace Actor David Diamond Screenwriter David Weissman Screenwriter Don Jakoby Screenwriter, Writer Daniel Goldberg Producer Joe Medjuck Producer Tom Pollock Executive Producer Jeff Apple Executive Producer David Rodgers Executive Producer J. Michael Riva Production Design Sheldon Kahn Film Editing Wendy Greene Bricmont Film Editing Phil Tippett Visual Effects Supervisor Aggie Guerard Rodgers Costume Design John Powell Original Music Margery Simkin Casting Michael Neumann First Assistant Director Richard F. Mays Art Director Lauri Gaffin Set Decoration