Yesterday's Tomorrows
Plot: Showtime's "In the 20th Century" is a millennium-related strand of feature-length documentaries in which famous directors take on major subjects of their choosing. In the third of the six films, "Yesterday's Tomorrows," filmmaker Barry Levinson delves into what we, as Americans, thought the future would be as we traveled through the 20th century

Richard Belzer
Octavia E. Butler
Phyllis Diller
Spalding Gray
Matt Groening
Charlton Heston
Robert Klein
Fran Lebowitz
Isaac Mizrahi
Walter Mosley
Martin Mull
Ralph Nader
Bob Newhart
Andrew Rooney
Alvin Toffler
Heidi Toffler
John Waters
Barry Levinson
Tom Fontana