24 Hours (ER)

"**24 Hours**"
"24 Hours"
ER episode
Episode no.	Season 1; Episode 1
Directed by	Rod Holcomb
Written by	Michael Crichton
Production code	475079
Original air date	September 19, 1994
Guest appearances
	Julianna Margulies as Carol Hathaway; Christine Harnos as Jennifer Greene; William H. Macy as Dr. David Morgenstern; Holly Gagnier as Tracy Young; Glenn Plummer as Timmy; Vanessa Marquez as Goldman; Yvette Freeman as Haleh; Ellen Crawford as Lydia; Deezer D as Malik McGrath; Abraham Benrubi as Jerry; Scott Jaeck as Dr. Steve Flint; Paul Benjamin as Mr. Ervin; Elizabeth Ruscio as Sarah Logan; Michael Fairman as Mort Harris; Julianna McCarthy as Mrs. Raskin; Troy Evans as Officer Martin; Michael Cavanaugh as Suzanne's Dad; Jeff Doucette as Larkowski; Christine Healy as Administrator; Liz Vassey as Liz; Tracey Ellis as Annette; Shiri Appleby as Ms. Murphy;
Episode chronology
← Previous; —	Next →; "Day One"
	ER (season 1)
	List of episodes

"24 Hours" is the pilot episode of the medical drama series ER. It first aired on NBC in the United States on September 19, 1994. The episode was written by Michael Crichton, adapted from a screenplay he originally wrote in 1974, and directed by Rod Holcomb. The episode was a critical and commercial success, receiving both high ratings (23.8 million viewers on its initial broadcast.^[1]) and very favorable critics reactions.

^ "Nielsen ratings". USA Today. Gannett Company. 1994-09-28. p. D3.

[USA_Today_staff_1994-09-28-1] "Nielsen ratings". USA Today. Gannett Company. 1994-09-28. p. D3.

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