Keith Carradine

as Capt. Eugene T. Slader

Judge Reinhold

as Ryan West

Elizabeth Wilson

as President Elizabeth Richardson

Alfre Woodard

as Tamara O'Neil

Philip Casnoff

as Nick Van Pelt

Diane Venora

as Lt. Tanya Sadavoy

Michael Murphy

as Dean Rumplemeyer

Christine Estabrook

as Amanda Whitney

Rosalind Chao

as Dr. Lin Yo Yu

Richard Schiff

as Eric Altman

Richard Young

as Astronaut Charles Downing

Michael Chinyamurindi

Maria Mayenzet

Dean Jones

as Dr. Scott Berlin

Gibby Brand

as White House Correspondent

Leonard Kelly-Young

Deborah Lacey

Tiiu Leek

Daryl Keith Roach

W.K. Stratton

Anne O'Sullivan