- Country: USA
- Genres: Action, Horror, Sci-Fi
- Release: 2006-06-01
- Director: Robin Walker
- Writers: Chet Faliszek , Marc Laidlaw , Erik Wolpaw
- Language: English
- Stars: Robert Guillaume , Robert Culp , Louis Gossett Jr. , Michelle Forbes (I) , Merle Dandridge , Mike Shapiro , Mike Shapiro , Harry S. Robins , John Patrick Lowrie , John Patrick Lowrie , Mary Kae Irvin , Mary Kae Irvin , Ellen McLain
- Runtime: min
- Awards: N/A
- AKA: Half-Life 2: Episode One (United States of America) , Half-Life 2: Episode One
- Plot: The first of three in the episodic series that potentially make up what could be called Half-Life 3, Half-Life 2: Episode One takes place directly after the events of Half-Life 2. You play, again, as the famous Gordon Freeman, this time running away from the unstable Citadel, which is collapsing from the preceding events in Half-Life 2. With Alyx Vance at your side, you must battle through the remaining enemies left in City 17 in an attempt to escape almost certain peril.
- IMDB:tt0814129
Half-Life 2: Episode One Cast
Robin Walker
Director
Robert Guillaume
Dr. Eli Vance
Robert Culp
Dr. Wallace Breen
Louis Gossett Jr.
Vortigaunt
Michelle Forbes
(I)
Dr. Judith Mossman
Merle Dandridge
Alyx Vance
Mike Shapiro
Barney Calhoun
Mike Shapiro
G-Man
Harry S. Robins
Dr. Isaac Kleiner
John Patrick Lowrie
Citizens
John Patrick Lowrie
Misc. characters
Mary Kae Irvin
Citizens
Mary Kae Irvin
Misc. characters
Ellen McLain
Overwatch