Will Smith Capt. Steven Hiller
Jeff Goldblum David Levinson
Roland Emmerich Director, Screenplay, Executive Producer
Mary McDonnell Marilyn Whitmore
Raphael Sbarge Commander / Tech
Robert Loggia General William Grey
Rance Howard Chaplain
Dean Devlin Screenplay, Producer, Second Unit Director
Harvey Fierstein Marty Gilbert
Dan Lauria Commanding Officer
Mae Whitman Patricia Whitmore
Vivica A. Fox Jasmine Dubrow
Leland Orser Techy / Med Asst #1
Robert Pine Chief of Staff
Judd Hirsch Julius Levinson
Frank Welker Special Vocal Effects (voice)
Adam Baldwin Major Mitchell
Bill Pullman President Thomas J. Whitmore
Andrew Keegan Older Boy
Erick Avari
Brent Spiner Dr. Brackish Okun
Thom Barry SETI Tech Two
Bobby Hosea Commanding Officer
James Rebhorn Albert Nimzicki
David Pressman Whitmore's Aide
Margaret Colin Constance Spano
Wayne Wilderson Area 51 Technician
Peter Winther Associate Producer
Jay Acovone Area 51 Guard
Don Coufal Boom Operator
Derek Webster Sky Crane Pilot
Robert Renga Sound Recordist
William Fay Executive Producer
John Storey Dr. Isaacs
James Duval Miguel
Kevin Cooney Atlantic Air CINC
Glen Trotiner Second Assistant Director
Annie Welles Script Supervisor
Julie Moran Entertainment Tonight Reporter
Randy Quaid Russell Casse
Jim Piddock Reginald
Devon Gummersall Philip
Val Kuklowsky Supervising Sound Editor
Christine Devine Video Newscaster
Bac DeLorme Second Unit Director
Jennifer Caputo Stunts
Randy Oglesby Mechanic
Carlos Lacámara Radar Operator
Jack Moore Mechanic
John Bennett Perry Secret Serviceman
Harry Connick Jr. Capt. Jimmy Wilder
Frank Novak Teddy
Greg Collins Military Aide
Eliza Coleman Stunts
Sandy Gendler Supervising Sound Editor
Kimberly Beck Housewife
Ute Emmerich Executive Producer
Darrin Prescott Stunts
Gary A. Krakoff Construction Coordinator
Douglas Smith Visual Effects Supervisor
Bill Smitrovich Captain Watson
Ross Bagley Dylan
Richard Speight Jr. Ed
Jana Marie Hupp SETI Tech Three
Mark Fite Pilot
Kiersten Warren Tiffany
Gary A. Hecker Alien Vocal Effects (voice)
Tim Kelleher Technician
Levan Uchaneishvili Russian Pilot
Sergio Mimica-Gezzan First Assistant Director
Jennifer Lamb Stunts
Mickey Giacomazzi Stunts