Elenco - Terror na Montanha-Russa
George Segal
Harry CalderRichard Widmark
Agent HoytTimothy Bottoms
Young ManHarry Guardino
KeeferSusan Strasberg
FranHenry Fonda
Simon DavenportHelen Hunt
Tracy CalderDorothy Tristan
HelenHarry Davis
Benny NeilsonStephen Pearlman
Bert LyonsG.F. Rowe
Wayne MooreWayne Tippit
Police Captain ChristieMichael Bell
DemerestRobert Quarry
MayorRichard Altman
MandellGloria Calomee
JackieQuinn K. Redeker
Owner #2Craig Wasson
Hippie BoyJean Rasey
Girl in LineGreg Elliot
Boy in LineTara Buckman
Coaster AttendantMonica Lewis
Tourist MotherDick Wesson
Tourist FatherBruce Kimball
Bomb Squad #1Bruce French
Bomb Squad #2Stephen Mendillo
Bomb Squad #3Larry Holt
Bomb Squad #4Gene Tyburn
Bomb Squad #5Arthur Peterson
OwnerMark Thomas
Agent with Red HatRon Mael
Self - Sparks (uncredited)Russell Mael
Self - Sparks (uncredited)Steve Guttenberg
Messenger (uncredited)Bill Sorrells
Selby