ER Orion in the Sky (Season 8, Episode 18)
TV-14
TV Episode | 60 min | Drama, Romance

ER

Orion in the Sky (Season 8, Episode 18)

TV-14

TV Episode | 60 min | Drama, Romance

As Dr. Greene's brain tumor begins affecting his coordination, he becomes concerned that his fate will be similar to the terminally ill patients he treats.

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Cast	+ Add Cast
38 cast members

Name	Known for
Anthony Edwards Mark Greene Mark Greene See fewer	ER (1994)
Noah Wyle John Carter John Carter See fewer	ER (1994)
Laura Innes Kerry Weaver Kerry Weaver See fewer	ER (1994)
Alex Kingston Elizabeth Corday Elizabeth Corday See fewer	ER (1994)
Paul McCrane Robert Romano (credit only) Robert Romano (credit only) See fewer	ER (1994)
Goran Visnjic Luka Kovac Luka Kovac See fewer	The Girl with the Dragon Tattoo (2011)
Maura Tierney Abby Lockhart Abby Lockhart See fewer	ER (1994)
Sherry Stringfield Susan Lewis Susan Lewis See fewer	ER (1994)
Ming-Na Wen Jing-Mei Chen (as Ming-Na) Jing-Mei Chen (as Ming-Na) See fewer	Mulan (1998)
Sharif Atkins Michael Gallant Michael Gallant See fewer	ER (1994)
Paul Benjamin Al Ervin Al Ervin See fewer	The Station Agent (2003)
Wilson Cruz Jeffrey Cruz Jeffrey Cruz See fewer	Star Trek: Discovery (2017)
Lori Petty Shane Shane See fewer	Tank Girl (1995)
Laura Cerón Nurse Chuny Marquez Nurse Chuny Marquez See fewer	ER (1994)
Yvette Freeman Nurse Haleh Adams Nurse Haleh Adams See fewer	ER (1994)
Anna Carolina Arias Linda Cruz (as Anna Alvim) Linda Cruz (as Anna Alvim) See fewer	One True Thing (1998)
Blaire Baron Egyptologist Willa Goldman Egyptologist Willa Goldman See fewer	A League of Their Own (1992)
Micheal DiMaggio Actor Actor See fewer	Take the Money & Run (2011)
Troy Evans Frank Martin Frank Martin See fewer	Under Siege (1992)
Maz Jobrani Henry Aquino Henry Aquino See fewer	Friday After Next (2002)
Alexandra Lee Katie (as Alexandra Victoria Lee) Katie (as Alexandra Victoria Lee) See fewer	Scrubs (2001)
Ken Lerner Stan Seidel Stan Seidel See fewer	The Goldbergs (2013)
Julianna McCarthy Mrs. Raskin Mrs. Raskin See fewer	The Frighteners (1996)
Lobo Sebastian Freddy Harrison Freddy Harrison See fewer	Ghosts of Mars (2001)
Christine Harnos Jennifer Simon Jennifer Simon See fewer	Dazed and Confused (1993)
Mekhi Phifer Gregory Pratt Gregory Pratt See fewer	ER (1994)
Lyn Alicia Henderson Pamela Olbes (as Lynn A. Henderson) Pamela Olbes (as Lynn A. Henderson) See fewer	ER (1994)
Michelle C. Bonilla Christine Harms Christine Harms See fewer	9-1-1: Lone Star (2020)
Gina Calica Dr. Gina Dr. Gina See fewer	ER (1994)
Spider Madison Mr. Whipple Mr. Whipple See fewer	Pirates of the Caribbean: Dead Man's Chest (2006)
Melony Matthews Waitress Waitress See fewer	ER (1994)
Ritchie Montgomery Cahill Cahill See fewer	The Ritual (2025)
Thomas Rosales Jr. Orderly Enriquez Orderly Enriquez See fewer	Commando (1985)
Ric Sarabia Drunk Drunk See fewer	The Endless (I) (2017)
Ruth Silveira Chemo Tech Marni Chemo Tech Marni See fewer	THX 1138 (1971)
Emily Wagner Doris Pickman Doris Pickman See fewer	Mr. Woodcock (2007)
Jonathan Jones Teen Teen See fewer	ER (1994)
Scott Summitt Hospital Visitor Hospital Visitor See fewer	Chicago P.D. (2014)