• 
  John Sturges

  regizor

• 
  Gregory Peck

  Charles Keith
• 
  Gene Hackman

  Buzz Lloyd
• 
  Nancy Kovack

  Teresa Stone
• 
  Walter Brooke

  Network commentator
• 
  Frank Marth

  Air Force System Director
• 
  John Carter

  Flight Surgeon
• 
  Richard Crenna

  Jim Pruett

• 
  George Gaynes

  Mission Director
• 
  Scott Brady

  Public Affairs Officer
• 
  George R. Robertson

  VIP
• 
  David Janssen

  Ted Dougherty
• 
  Grant Gee

  Celia Pruett
• 
  James Franciscus

  Clayton Stone
• 
  Mariette Hartley

  Betty Lloyd

• 
  Lee Grant

  Celia Pruett
• 
  Kenner G. Kemp

  Guest in Observation Room
• 
  Craig Huebing

  Flight Director
• 
  Tom Stewart

  Houston Cap Com
• 
  Vincent Van Lynn

  Aerospace Journalist