John Candy
Sheriff Bud B. Boomer
Alan Alda
U.S. President
Rhea Perlman
Deputy Honey
Kevin Pollak
Stuart Smiley, National Security Advisor
Rip Torn
General Dick Panzer
Kevin J. O'Connor
Roy Boy
Bill Nunn
Kabral Jabar
G.D. Spradlin
R.J. Hacker
Jim Belushi
Charles Jackal, NBS Reporter
Steven Wright
RCMP Officer at Headquarters
Brad Sullivan
Gus, CIA Canada Desk Agent
Stanley Anderson
Edwin S. Simon, NBS News Anchor
Richard Council
Russian President Vladimir Krushkin
Wallace Shawn
Canadian Prime Minister Clark MacDonald
Michael Copeman
Panzer's Aide
Beth Amos
Ruthie
Bruce Hunter
President's Aide
Jack Mather
Pops
Kenner Ames
Mountie Sergeant
Roger Dunn
Mountie Major
Natalie Rose
Toronto Kid
Michael Woods
State Trooper #1
Matt Cooke
State Trooper #2
Barbara Schroeder
Newswoman
Tara Meyer
Candy Striper #1
Fab Filippo
Candy Striper #2
Carlton Watson
Clarence Thomason
Stan Coles
Secretary of State
Adrian Hough
Russian Aide
Bryan Armstrong
Auctioneer
Kelsey Binder Moore
Ice Cream Girl #1
Leah Binder Moore
Ice Cream Girl #2
Wally Bolland
Special Ops Soldier
Markus Parilo
Omega Force Leader
Jim Czarnecki
Snake
Tony Proffer
Dell
Ben Hamper
Redneck Guy #1
Michael Moore
Redneck Guy #2
Linda Genovesi
Polite Canadian Woman
Sheila Gray
Hacker Hellstorm (voice)
Dana Brooks
Paulette Kalin
Dan Aykroyd
OPP Officer (uncredited)
Andre Rosey Brown
Man (uncredited)
James Carville
Pentagon Agent for Canadian Intelligence (uncredited)
Michael Dyson
Explosives Tech (uncredited)
Gordon Michael Woolvett
Male Candy Striper (uncredited)