李察·狄恩·安德森
Richard Dean Anderson
饰：Capt. James Holland
达芙妮·祖尼加
Daphne Eurydice Zuniga
饰：Dr. Roni Sanders
简·丽芙丝
Jane Leeves
饰：Rachel Sherwood
理查德·劳森
Richard Lawson
饰：Capt. Daniel Robb
斯蒂芬·鲁特
Steve Root
饰：Mark Hastings
Tim Grimm
Tim Grimm
饰：CIA Agent Steve Ellis
爱德华·赫曼
Edward Herrmann
饰：President
罗伯特·吉尔劳姆
Robert Guillaume
饰：Ambassador Lee Lancaster
罗伯特·劳吉亚
Robert Loggia
饰：CIA Director Jonathan Roth
杰里·哈德因
Jerry Hardin
饰：Rev. Garson Wilson
柯特·富勒
Kurt Fuller（Curtis Fuller）
饰：Chet Walters
Jennifer Savidge
饰：Barb Rollins
凯特·霍吉
Kate Hodge
饰：Brenda Hopkins
斯科特·布莱斯
Scott Bryce
饰：Keith Erickson,2 episodes, 1996,
佩妮·佩塞尔
Penny Peyser
饰：Lisa Erickson
沃尔夫缪舍
Wolf Muser
饰：Dr. Zeitner
弗拉基米尔库利奇
Vladimir Kulich
饰：Yuri,2 episodes, 1996,
伯恩·皮文
Byrne Piven
饰：2 episodes, 1996
Grant Goodeve
饰：Don Moses
Stephen Godwin
Stephen Godwin
饰：2 episodes, 1996
迈克尔·温特斯
Michael Winters
饰：Professor Ernest Helms
约翰·康西丁
John William Considine
饰：Dr. Turnheir
Darryl Scott
Darryl Scott
饰：Darnell Howard
Sheila Scott
饰：Elderly woman
Mark Schowtzer
Mark Schowtzer
饰：Roger Stallings (as Mark Schwötzer)
Teru McDonald
饰：Amanda Lynch
Dick Arnold
Dick Arnold
饰：Dr. Irwin Seward
Jane Jones
饰：Press Secretary
Heidi Turner
Heidi Turner
饰：Michelle Kingery
Michael David Simms
Michael David Simms
饰：Col. Nasher
Ballard McFarlane
Ballard McFarlane
饰：Bonham
Peter Lohnes
Peter Lohnes
饰：Reynolds
Mark Chamberlain
Mark Chamberlain
饰：Sloan
De'Andrea Williams
De'Andrea Williams
饰：Charlsie
John J. Nance
饰：Air Force Chief
Jim French
Jim French
饰：Army Chief
Lita Stevens
饰：Anya
Rainer Rey
Rainer Rey
饰：Bronchman
威廉·萨利尔斯
William Salyers
饰：Controller
Dennis Bateman
饰：Dutch controller
Frederick Solms
Frederick Solms
饰：Vanderpool
Dave Young
饰：Fox One
Elaine Miles
Elaine Miles
饰：Housekeeper
Dmitri S. Boudrine
Dmitri S. Boudrine
饰：Nicolai Sakarov (as Dimitri Boudrine)
Ivars Mikelson
饰：Pavel
John Holyoke
饰：Virgil
Stefan Enriquez
Stefan Enriquez
饰：Wilfredo
Sean Everett
饰：ICN director (as Sean E. Markland)
Bill TerKuile
Bill TerKuile
饰：Commander Chandon (as Bill terKuile)
Rick Tutor
Rick Tutor
饰：General Knight
Nerissa E. Williams
饰：News anchor (as Nerissa Williams)
William De Young
William De Young
饰：Secretary of State (as William DeYoung)
大卫·弗雷德里克·怀特
David Frederick White
饰：Sgt. Anders
Pat Cashman
Pat Cashman
饰：Dave Telander (TV reporter)
Michael Armani
Michael Armani
饰：Passenger (uncredited)
Rik Deskin
饰：Man in elevator (uncredited)
Erin Hershey
饰：(uncredited)
Starr Lajoie
Starr Lajoie
饰：Airline Passenger (uncredited)
Douglas Moening
饰：Nick (uncredited)
雷伊-菲利普·桑托斯
Rey-Phillip Santos
饰：(uncredited)
Ross Shafer
饰：2 episodes, 1996
Michael R Bowman
饰：Gate Attendant,2 episodes, 1996,
Mark Schwotzer
饰：Roger Stallings,2 episodes, 1996,