Roddy McDowall в ролята на Cornelius
Kim Hunter в ролята на Dr. Zira
Bradford Dillman в ролята на Dr. Lewis Dixon
Natalie Trundy в ролята на Dr. Stephanie 'Stevie' Branton
Eric Braeden в ролята на Dr. Otto Hasslein
William Windom в ролята на The President
Sal Mineo в ролята на Dr. Milo
Albert Salmi в ролята на E-1
Jason Evers в ролята на E-2
John Randolph в ролята на Committee Chairman
Harry Lauter в ролята на General Winthrop
M. Emmet Walsh в ролята на Aide
Roy Glenn в ролята на Lawyer (as Roy E. Glenn Sr.)
Peter Forster в ролята на Cardinal
Norman Burton в ролята на Army Officer
William Woodson в ролята на Naval Officer
Tom Lowell в ролята на Orderly
Gene Whittington в ролята на Marine Captain
Donald Elson в ролята на Curator
Bill Bonds в ролята на TV Newscaster
Army Archerd в ролята на Referee
James Bacon в ролята на General Faulkner
Ricardo Montalban в ролята на Armando
John Alderman в ролята на Marine Corporal (uncredited)
Alan Baxter в ролята на General (uncredited)
Jack Berle в ролята на Secretary of State (uncredited)
Paul Bradley в ролята на Official at Briefing (uncredited)
Karl Bruck в ролята на German Newscaster (uncredited)
Jeff Burton в ролята на Dodge (archive footage) (uncredited)
Sam Chew Jr. в ролята на Undetermined (uncredited)
Robert Cole в ролята на Reporter (uncredited)
Walker Edmiston в ролята на Talking Baby Chimp (uncredited) (voice)
James Franciscus в ролята на Brent (archive footage) (uncredited)
Sig Frohlich в ролята на Spectator (uncredited)
James W. Gavin в ролята на Helicopter Pilot (uncredited)
George Golden в ролята на Official at Briefing (uncredited)
James Gonzalez в ролята на Official at Briefing (uncredited)
Joe Gray в ролята на Bodyguard (uncredited)
Robert Gunner в ролята на Landon (archive footage) (uncredited)
Bob Harks в ролята на Aide (uncredited)
Linda Harrison в ролята на Nova (archive footage) (uncredited)
Elizabeth Harrower в ролята на Reporter at Hotel (uncredited)
Shep Houghton в ролята на Bystander (uncredited)
Joseph La Cava в ролята на Waiter (uncredited)
Robert Nichols в ролята на Reporter (uncredited)
Ron Pinkard в ролята на Undetermined (uncredited)
Janos Prohaska в ролята на Heloise (uncredited)
Tony Regan в ролята на Reporter at Hotel (uncredited)
Stephen Roberts в ролята на Gen. Brody (uncredited)
Hank Robinson в ролята на Reporter (uncredited)
James B. Sikking в ролята на Control Room Officer (uncredited)
Jack Slate в ролята на Reporter (uncredited)
Arthur Tovey в ролята на Official at Briefing (uncredited)
William Tregoe в ролята на Hotel Receptionist (uncredited)
