Dan Aykroyd
Beldar Conehead
Jane Curtin
Prymatt Conehead
Michelle Burke
Connie Conehead
Chris Farley
Ronnie the Mechanic
Michael Richards
Motel Clerk
David Spade
Eli Turnbull, INS Agent
Michael McKean
Gorman Seedling, INS Deputy Commissioner
Robert Knott
Air Traffic Controller
McNally Sagal
Female Agent
Jason Alexander
Larry Farber
Lisa Jane Persky
Lisa Farber
Joey Lauren Adams
Christina
Walter Robles
Fire Marshal
Peter Aykroyd
Highmaster Mentot
Tom Arnold
Golfer (uncredited)
Jon Lovitz
Dr. Rudolph, Dentist (uncredited)
Grant Martell
Hispanic Man #1
Art Bonilla
Hispanic Man #2
Rosa Maria Briz
Hispanic Woman (as Rosa Briz)
Danielle Aykroyd
3 Year Old Connie
Nicolette Harnish
10 Year Old Connie
Sam Freed
Master of Ceremonies
Garrett Morris
Captain Orecruiser
Jan Hooks
Gladys Johnson, Driving Student
Jonathan Penner
Captain Air Traffic
Terry Turner
Sketch Artist
Mitchell Bobrow
Garthok Combatant
Laurence Bilzerian
Cone Battle Commander