David Bedford
Self
Capt. Stillman
Vaughn Smallhouse
Lawrence Van Dough
Slasher (opening sequence) (uncredited)
Mayor Harold Herman
Dr. Bangley
Narrator (voice)
Bo
Billy Ace
Army Officer
Tomar-Re (voice)
Don Moore
Mark Bannister
Patrick Korda
Bob X. Cursion
Wills
Maury Manning
Self - Host
Claude
Dr. Fred Biskin
Michael Lane
Mike McBride
Narrator
K.K.K.
Jack Landry
Bronte Judson
2nd Lt. Robert 'Bob' Anderson
Commander Jenkins
Lieutenant Felix Foxglove
Gus
Jerry Johnson
Martin Gold
Gavin Corbett
Narrator (uncredited)
Ray LePine
Walter
Leading Man
TV Talk Show Host
X-Ray Technician
Maltz
Narrator (voice) (uncredited)
Douglas Forbes
Sam Boedecker
Doctor Albert Quince
Dan Fielding
John Hemingway
Roan Montgomery
Gabriel Wozniak
Nathan Fitts
Benjamin Lockwood
Mirror Master (voice)
Cop
Joey Heric
Sailor
Royal Payne
Self - Guest
Carl Sack
Frank
Dr. Paul Herman
Dave's Lawyer
Gavin Firth
Bud McGrath
Anthony Lewis
Dr. Nigel Vaughn
Jenkins
Donovan
Self - Performer
Peter Brennan
Randall Carver
Mayor (voice)
Older Alex
Bob Anderson
Lionel Tribbey
Baba Hope
Bob Webber (voice)
President James Stevens
Jay Reece
Self - Presenter
Barone