- Charlton Heston
- Henry O'Hara
- Yvette Mimieux
- Angela Thacher
- James Brolin
- Jerome K. Weber
- Claude Akins
- Sgt. Ben Puzo
- Jeanne Crain
- Mrs. Clara Shaw
- Susan Dey
- Elly Brewster
- Roosevelt Grier
- Gary Brown
- Mariette Hartley
- Harriet Stevens
- Walter Pidgeon
- Senator Arne Lindner
- Ken Swofford
- John Bimonte
- Leslie Uggams
- Lovejoy Wells
- Ross Elliott
- Harold Shaw
- Nicholas Hammond
- Peter Lindner
- Mike Henry
- Sam Allen
- Jayson Kane
- William Reading
- Toni Clayton
- Jane Burke
- John Hillerman
- Walter Brandt
- Kelley Miles
- Hazel Martin
- John Fiedler
- Robert Grundig
- Maureen Connell
- Mrs. O'Hara
- Ed Connelly
- First-Class Passenger #1
- Forrest Wood
- First-Class Passenger #2
- Wesley Lau
- Stanley Morris
- Jenifer Shaw
- Cosmetic Salesgirl
- Jack Denbo
- Thompson
- Roy Engel
- Bonanza Pilot
- Joe Canutt
- Hunter
- Grahame Pratt
- Bronson
- Genadii Biegouloff
- Russian Leader
- Craig Shreeve
- Airline Attendant
- Lorna Thayer
- Weber's Mother
- Dan White
- Weber's Father
- William Martel
- General
- George Bryson
- Controller
- Brent Dunsford
- Passenger
- Bob Harks
- Passenger
- George Hickman
- Passenger
- Kenner G. Kemp
- Priest Passenger
- Monty O'Grady
- Passenger
- Leoda Richards
- Passenger
- Al Roberts
- Passenger
- Norman Stevans
- Officer
- Natividad VacÃo
- Spanish Passenger
