Jonathan Welsh

as Park Policeman

as Robert Lussier

as Prof. Simon Ruttledge

as Tasker

as Mr. Lantz

as Bob Chandler

as Professor

as D.A. Papernow

as Arthur Bauer

as Zimmerman

as Eric MacFarlane

as Jack Sawyer

as Chaplain

as Dr. Lester

as Jerry

as Brenner

as Timothy

as Michael Howland

as Critchett Jr.

as Detective Ross

as Narrator

as Herman Stover

as Missile Officer

as Doug

as Simon

as Sgt Glenn Olsen