Don Franklin

as Lincoln Thorsen aka Flex

as Captain Dave Rothall

as Agent Biller

as Malcolm

as Ian Hughes

as Lonnie Washington

as Paul Ehrlich

as Clive (uncredited)

as Capt. Alan Beck

as Dr. Fischman

as Tommy Zane

as Mr. Beck

as Rob

as Larry Dersh

as Randall Mathis

as Max Pierson

as Dr. Art MacGregor

as Kelvin Blake

as Basil

as Ron 'Slacks' Sacks

as Peter Callas

as Reporter #1

as Bart Jameson

as Evan Harris

as Mr. Diggs

as AJ

as Stan Wright

as Craig Donovan

as Ben Dodd

as Ben Dodd

as Shelby

as Det. Collins

as Tim McAllister

as Paul Hager

as Commander Jonathan Ford

as Commander Jonathan Ford

as Alex Wheeler

as Alex Wheeler

as Noah Dixon

as Todd Marvin

as Calvin Garvey

as Kevin

as Michael Stafford

as Greg Martinson

as Tourist in Hall of History [Eight Years Later]