George Maharis
Lee Barrett
Acting
Richard Basehart
Dr. Gregor Hoffman
Acting
Anne Francis
Ann Williams
Acting
Dana Andrews
Gen. Williams
Acting
John Larkin
Dr. Leonard Michaelson
Acting
Richard Bull
Eric Cavanaugh
Acting
Frank Sutton
Henchman Donald
Acting
Ed Asner
Henchman Veretti
Acting
Simon Oakland
Tasserly
Acting
John Anderson
Agent Reagan
Acting
John Clarke
Guard Lt. Raskin
Acting
Hari Rhodes
Guard Lt. Johnson
Acting
Martin Blaine
Martin
Acting
Henry Beckman
Dr. Baxter
Acting
Harry Lauter
Fake SDI Agent
Acting
James Hong
Dr. Yang
Acting
Russ Bender
Desk Guard Mason
Acting
Harold Gould
Dr. Ostrer (uncredited)
Acting
Lee Remick
Waitress
Acting
William Bryant
Lead Agent "X-Ray", drives car
Acting
James Doohan
Second Agent "X-Ray", scratches hand
Acting
Michael Barrier
Helicopter Pilot Henchman
Acting
Tol Avery
Detective Captain at Baseball Stadium
Acting
John Hubbard
Guard
Acting