| Dick Lowry |
| Nancy McKeon | Amy Harkin | |
| 兰迪·奎德 | Tornado Tommy | |
| Junko Bailey | Japanese Woman | |
| Paige Bannister | Fran | |
| Trevor Botkin | Rick | |
| David Brown | Control Center Engineer (as Dave Brown) | |
| Chad Bruce | John Tanner, EMT | |
| Milt Bruchanski | Young Groom (as Milton Bruchanski) | |
| Amanda Brugel | Leslie Singer | |
| Jeff Clarke | George Kiley | |
| Ari Cohen | Dan London, Lexer Corp Engineer & Whistleblower | |
| 布赖恩·丹内利 | Andy Goodman | |
| Nancy Drake | Marge | |
| Brian Frank | Sammy Slots | |
| Rebecca Gibson | Honey | |
| 托马斯·吉布森 | Mitch Benson | |
| Kerr Hewitt | Tad | |
| Robert Huculak | Storm Center Employee | |
| Andrew Jackson | Walt Ashley | |
| Alicia Johnston | Sabrina Rogers | |
| Brian Kawakami | Japanese Man | |
| Ryan Kennedy | Eric | |
| Jason Knight | Weather Officer | |
| Stan Lesk | Herb | |
| Drew MacKenzie | Bob | |
| 布里安·马克逊 | Chris Haywood | |
| Stephen McIntyre | Preacher | |
| Dean McKenzie | Bob | |
| Bob McLaughlin | Bartender | |
| Rob McLaughlin | Bartender | |
| Dan McLean | Southside Substation Manager | |
| Glenn Morshower | 747 Pilot | |
| Donotkno Nameofstar | Helen | |
| Dave Price | Engineer | |
| Nick Quellette | Rowdy Boy | |
| Joanne Rodriguez | Reporter #1 | |
| Nancy Anne Sakovich | Jane Benson (as Nancy Sakovich) | |
| Chris Sigurdson | Randy Kreeger | |
| Rick Skene | Limo Driver | |
| Jeff Skinner | Bank Guard | |
| Janaya Stephens | Laura Harkin | |
| Jeff Sutton | Garth Benson | |
| Jodi Terhoch | Young Bride | |
| Chandra West | Rebecca Kerns, Lexer Senior Vice President for Public Relations | |
| 戴安·威斯特 | Shirley Abbott, Secretary of Energy | |
| Petra Wildgoose | Lindsay Benson | |
| Chad Willett | Jeff Harkin | |
| Will Woytowich | Fire Department Official | |
| Niel Wray | Gateway Arch Tourist (uncredited) | |
| Jon Ted Wynne | Relative | |
| James Holt | Gateway Arch Tourist (uncredited) | |
| Joe Phoebus | Gateway Arch Tourist (uncredited) | |
| Chris Powell | Severe Weather Center Tech. (uncredited) | |
| Christopher Shyer | Craig Shilts | |
| Arnold Pinnock | Jason | |
| Hollis McLaren | Helen Travers | |
| Jeff Clarke | George Kiley | |
| Nick Oulette | Rowdy Boy | |
| Natasha Zuvela | Flight Attendent #1 | |
| Meredith Chipperton | Flight Attendent #2 | |
| Candace Smith | Bank Manager | |
| John Maclaren | Power Executive | |
| Ernesto Griffith | Reporter #2 | |
| Crystal Lee Swain | Bridesmaid | |
| Cory Cassidy | Mr. Henderson, Hostage in Bank (uncredited) | |
| James Holt | Gateway Arch Tourist (uncredited) | |
| James Janssens | Hostage (uncredited) | |
| Dean Norris | 747 Co-Pilot (uncredited) | |
| Bradley Sawatzky | Brian (uncredited) |
| Matt Dorff | (written by) |
| Leslie Belzberg | producer | |
| Lesley Oswald | co-producer | |
| Robert Sertner | executive producer | |
| Randy Sutter | producer | |
| Frank von Zerneck | executive producer | |
| Ted Babcock | co-producer | |
| Peter Sadowski | co-producer | |
| George Snyder | co-producer |
| Jeff Rona | ||
| Joseph Stanley Williams | ||
| 约瑟夫·威廉姆斯 |
| Neil Roach |
| Tod Feuerman | ||
| Scot J. Kelly |
| Susan Glicksman | ||
| Jim Heber | ||
| Coral Legault | ||
| Clare Walker |
| Sheila Haley |
| Doug Byggdin |
| Norma Jean Sanders |
| Abram Waterhouse |
| Frances Hans | first assistant makeup artist (uncredited) | |
| Joyce Wold | key makeup artist | |
| Brenda Magalas | assistant makeup artist | |
| Barry Olafson | key hair stylist |
| Matt Fitzsimons | production supervisor | |
| Greg Krutilek | production supervisor | |
| Dave Mahoney | production manager | |
| Greg Krutilek | production supervisor | |
| Lori Slomka | post-production supervisor |
| Tarnya Cook | third assistant director | |
| Warren Hanna | second assistant director | |
| David Markowitz | first assistant director | |
| Douglas Mitchell | second assistant director | |
| Emily Drake | third assistant director |
| Garry Barringer | graphic designer (uncredited) | |
| Olaf Dux | construction coordinator | |
| Alexis Labra | on-set dresser (uncredited) | |
| Khali Wenaus | art department production assistant (uncredited) | |
| Lloyd Branson | key scenic artist | |
| Steven Fierberg | special visual consultant | |
| Allan McGowan | set crew | |
| Dean A. O'Dell | first assistant art director | |
| Katharina Stieffenhofer | set buyer | |
| Maggie Wilson | property master | |
| Kate Gajdosik | art department coordinator (uncredited) | |
| Sheldon Johnson | draftsperson (uncredited) |
| Bob Costanza | sound effects editor (uncredited) | |
| Peter DiRado | music editor | |
| Tommy Goodwin | foley mixer (uncredited) | |
| Kathryn Madsen | adr supervisor | |
| Louis Marion | sound mixer (uncredited) | |
| Paul Morrow | second boom operator (uncredited) | |
| Dean Okrand | sound re-recording mixer | |
| Louis Piche | boom operator (uncredited) | |
| Nate Arrigoni | assistant sound editor | |
| Kevin Fisher | sound designer | |
| Robert L. Harman | sound re-recording mixer | |
| Joseph Melody | supervising sound editor | |
| Wendy Czajkowsky | adr mixer (uncredited) | |
| Scott C. Kolden | sound designer (uncredited) |
| Jim Fisher | special effects supervisor | |
| Frank Dunlop | special effects technician | |
| Dale Shippam | special effects technician | |
| Robert Yeager | special effects coordinator | |
| Douglas W. Beard | special effects assistant (uncredited) |
| Glenn Campbell | visual effects supervisor | |
| James Holt | digital compositor | |
| Michael F. Hoover | 3D animator | |
| Joe Phoebus | CG animator | |
| Tim Pyle | 2D animator | |
| Craig Weiss | visual effects supervisor | |
| William L. Arance | 3D modeler | |
| Oliver Arnold | lighting and texturing | |
| Philip Benn | CG animator | |
| Loren Bivens | CG animator | |
| Deane Boeka | lead compositor | |
| Jessi Chan | CG animator | |
| Chris DeCristo | lead compositor | |
| Lori Freitag-Hild | digital compositor | |
| George Garcia | matte painter | |
| Andrew Harlow | model spervisor | |
| Barry Howell | lead visual effects animator | |
| Bill Johnson | plate photographer | |
| Nicki Kreitzman | digital compositor | |
| Al Magliochetti | animation effects | |
| Michelle Massie | visual effects co-producer | |
| Don Mccoy | visual effects technical supervisor | |
| Don L. McCoy | visual effects supervisor | |
| Tim McHugh | visual effects supervising producer | |
| Christopher Moore | lead compositor | |
| Charles Oliphant | digital imaging technician | |
| Wendy Ruiz | I/O coordinator | |
| John G. Small | systems | |
| Chris Tezber | visual effects coordinator | |
| Brian Vogt | CG animator | |
| Niel Wray | CG supervisor | |
| Chris Zapara | 3D animator |
| Dean Choe | stunt coordinator | |
| Rick Skene | stunt coordinator (uncredited) | |
| Lisa Anne Durupt | stunt performer | |
| Jacqueline Loewen | stunt performer | |
| David Markowitz | stunt driver (uncreditied) | |
| Darren Ross | stunt driver | |
| Sylvesta Stuart | stunt double: Arnold Pinnock | |
| Chuck Robinson | stunt driver (uncredited) | |
| Craig Skene | stunt performer (uncredited) | |
| Sean Skene | stunt performer (uncredited) |
| Neal Baksh | key office production assistant (uncredited) | |
| Chantel Bourrier | set production assistant intern (uncredited) | |
| Dave Brown | firearms safety coordinator (uncredited) | |
| Marc Brunswick | post-production coordinator | |
| Michael Chirsky | assistant production coordinator (uncredited) | |
| Allen Fraser | still photographer | |
| Jim Heber | casting: Winnipeg | |
| Celene Miles | payroll assistant (uncredited) | |
| Nancy Mouton | production associate | |
| Rob Rowan | assistant chief lighting technician | |
| Joe Waistell | first assistant camera: "a" camera | |
| Jason Wilkins | head dresser | |
| Rhia Alcantara | location production assistant | |
| Alisson Amigo | stand-in | |
| Kathryn Buck | script supervisor | |
| Paul Courchaine | payroll accountant | |
| Cathie J. Edgar | location manager | |
| Eileen Gano | craft service first aid | |
| Janet Gayford | production coordinator | |
| Gregg Lehrman | composer: additional music | |
| Craig Massie | production assistant | |
| Allan McGowan | security officer | |
| Joe C. Menefee | technical advisor | |
| Barry Neely | production assistant | |
| Kerrie Reid | extras wrangler | |
| Ryan Spadafora | production assistant | |
| Sheila Woodley | production accountant | |
| Megan Basaraba | assistant location manager (uncredited) | |
| Jason Campbell | set production assistant (uncredited) | |
| Jim Campbell | daily generator operator (uncredited) | |
| Christie Kucera-Evenson | production assistant (uncredited) | |
| Justin C. Smith | production assistant (uncredited) | |
| Kevin Uddenberg | assistant to director (uncredited) |