Robert
Frank Landers
Lester
Bob Patchett
Rod Perth
Victor Ehrlich
Charles Leary
Joe Creigh
Phillip Adams
Jack Markin
Gil Turner
Uncle Roger
Carl
Tom Peeples
Lars Olfen
Rupert
Joel
D.J. Fontana
Mel Rosen
Poopchev (voice)
Hippie
Jack Travis
Colin Beverly
David Boies
Sandy Lane
Bobby Joe
Hassler
Alan Tyler
Dr. Aaron Spencer
Doug Shepard
Self
Mr. Darling
Governor Begley
Arnold - The King
Reverend Vernon
Robert Wade
Arnold (voice)
Brent Krawford
Dr. Curly Weeks
John
Barry Lutz
Frank
Earl Strauber
Himself
The Priest
Pokey
Chapman Snow
Jerry Soloway
Oscar Earnest
Henry Whitcomb
James
Dr. Lee Steiglita
Det. Cecil Dish
Stephen Bradley
Paul Van Arsdale
Justice Harry Blackmun
Ron Daniels
Wasp Driver
"Grave Squad" Lawyer
Warren Krantz
Pook
Ned Kincaid
Clay
Flight Sgt. Greenbean
Mr. Haber
Wish Wizard
Howard Feldon
Jack Davis
Jack Mills
Rev. Sidney Cheddar (voice)
Ebner Frost
Greg Bradley
General Bill Meekins
Dr. Jack Brooker
Frederick
Gerald
Jeb
Dave Cormeer
Rescuer #1
The Flashback - Young Simon's Father
Richard P. Applegate
Leonard
Nicholas
Husband Making Fun of Stool (uncredited)
Whitey
A.J. Blumquist
Dr. Jesse James
Alan
Bert
Lt. Fred House
Derwood Moseby
Ed Mulgrave
Barry
Peter
John 'Stumpy' Pepys
Officer Krupke
Dr. Kneedler
Leonard Lupo
John Haaland
Ben Gunn
Hotel Manager
Assistant Director #1
Paul Wesley
Fred Stickley (uncredited)
Ichabod Crane
Steward Butler
Brom Dutcher
Wiz
Tom
Student (uncredited)
Ward Van Dusen
Druffle
Ambassador Ted Ross
Dr. Warner
Jack Watson
Fitz-Gilbert Hamilton
Ed
Allen
John Fielding
Wilbur Wright
Dr. Remis
Charlie DeWitt
Chuck King
Paul Sutton
Lieutenant #1
Ed O'Brian
Altitude Chamber Instructor
Mr. Manoire
The Gang
Pouch
The Dept. of Health Inspector / 'The Hand'
Father Concoff
Soldier
Zev
Dr. Finch
Mr. Hughes
Amos Tucker
Driver
Reader (voice)
Bellhop
Otis
Moss Tillis
Richard Spencer
Randy Morgan
Matt Randolph
Frank Perdue
Darrel
John Lehman
Griffin (segment "Son of the Invisible Man")
Dr. Chris Vanderkamp
Hiram Gunderson
Dr. Corso (voice)
Ed Begley Jr. (voice)
Cyrus O'Dell
Donald Todd (voice)
Scott O'Shay
Chuck Chance
Youngblood
Henry Starling
Dr. Malcolm Nash
Judd Campbell
Young Man
George Princey
Kenny Daniels
Harold Farnum
Woody
Hank Hastings
Pastor Ed
Walter Krandall
Dr. Bailey
Clifford Cabot
Stan Sitwell
Chet Danville
Paul Weffler
Watterson
Mayor Ragnar / Ragnar I
Glenn Barker
Bruce Nesbitt
Imposter Vic
Germs (voice)
Self - Host
Ed Begley Jr.
Gil
Dr. Van Waals
Charlie Collins (voice)
Seth Gillette
Officer Stein
Bill
Clifford Main
Mr. Rothwell
Self - Narrator (voice)
Murch
Father John
Wilhelm Grimm
(voice)
Bud
Philip
Priest
Dr Ravich
Cafe Owner
Senator Throman
Self (uncredited)
Gabe Futturman
Winston
Harry Hopkins
Terry
Bonnie
Jerry
Bradley
Attorney Ethan Beal
Rudy
Narrator (Voice)
Karl
Howard Dubberly
William (voice)
Harv Schwab
Marsh (voice)
Jeff
Dr. T. Pike
Grant Linkletter
Mr. Whistler (voice)
Kit Sawyer
David Phillips
Stephens Davies (voice)
Mark
Yogi
Dr. Winocur / Dr. Winokur
Reverend Todd
Erin's Biological Father
Chris Carpenter
Irving Krutch
Ensign Greenbean
Flight Sergeant Greenbean
Haley's Father