The usual cries of joy heard at amusement parks become screams of sheer horror when a madman begins blowing up America's rollercoasters, in this non-stop suspense thriller. George Segal stars as the ride inspector who finds himself travelling across the country in an effort to catch the bomber, who's demanded $1 million in ransom to stop his reign of terror. Richard Widmark, Timothy Bottoms, Henry Fonda, and Helen Hunt also star. 119 min. Widescreen; Soundtracks: English Dolby Digital mono, French Dolby Digital mono; Subtitles: English, Spanish; web links; theatrical trailer.