Efrem Zimbalist Jr. as David Martin

Dan Haggerty as Nick Willis

Tovah Feldshuh as Jeannie Devereux

Lonny Chapman as Earl Logan

Ike Eisenmann as Eric Mangus

Joe E. Tata as Groves

Richard Herd as Col. Mangus

Charles Hallahan as Tibbles Sr.

Bruce French as Eli Nathanson

Steve Franken as Paul Gladstone

Ellen Blake as Agent

Gwen Van Dam as Ms. Logan

Norman Gary as Finley Dermott

Philip Baker Hall as Starrett

Poindexter Yothers as Mike

Steve Tannen as Sergeant

Tony La Torre as Tibbles Jr.

Melinda Peterson as Computer Operator

Bill Quinn as Old Dermott

Brian J. Williams as Halverson