Day One
- Blwyddyn: 1989
- Gwlad: Canada, United States of America
- Genre: History, Drama, TV Movie
- Stiwdio: World International Network (WIN), Spelling Entertainment, AT&T
- Allweddair:
- Cyfarwyddwr: Joseph Sargent
- Cast: Brian Dennehy, David Strathairn, Michael Tucker, Hume Cronyn, Richard Dysart, Hal Holbrook