Lloyd Bridges
Al Mitchell
Raymond Burr
Estes Hill
Robert Fuller
Matt Leigh
Pat Hingle
John Marsh
E.G. Marshall
Roy Snyder
Yvette Mimieux
Paula Harvey
William Shatner
Stuart Peters
Paul L. Smith
Jim Waterman / Victor Prescott
Arthur Malet
Southbound Conductor
Harry Caesar
Northbound Conductor
Jacque Lynn Colton
Mrs. Shanks
Lane Smith
John Carlson
Sandy McPeak
Hennessey
Michael Pataki
Tate
Peter Jason
LeBoux
Jerry Ayres
Talmadge
Julie Mannix
Debbie Fox
Steve Jerro
Al
Ron Prince
Detective
Dago Dimster
David
Carole Hemingway
Newscaster
Carl Gordon
Foreman
Eric Poppick
Computer Expert
Jason Ronard
Ellis
Herbert Bress
Bartender
Tony Matranga
Policeman
Norman Alexander Gibbs
Steward
James W. Gavin
Helicopter Pilot
Ross Reynolds
Helicopter Pilot