ER/Survival of the Fittest

Survival of the Fittest
Season 7, Episode 17
Airdate	March 29, 2001
Production Number	226267
Teleplay by	Joe Sachs
Story by	Elizabeth Hunter
Directed by	Marita Grabiak
← 7x16 Witch Hunt	7x18 → April Showers
ER — Season Seven

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Survival of the Fittest is the seventeenth episode of the seventh season of ER, and the one hundred fifty-third episode overall.

Starring: Anthony Edwards (Dr. Mark Greene), Noah Wyle (Dr. John Carter), Laura Innes (Dr. Kerry Weaver), Alex Kingston (Dr. Elizabeth Corday), Paul McCrane (Dr. Robert Romano), Goran Visnjic (Dr. Luka Kovac), Maura Tierney (Nurse Abby Lockhart), Michael Michele (Dr. Cleo Finch), Erik Palladino (Dr. Dave Malucci), Ming-Na (Dr. Jing-Mei Chen) (credit only)

and Eriq La Salle (Dr. Peter Benton)

Guest Starring: Ed Lauter (Fire Capt. Dannaker), Laura Cerón (Chuny Marquez), Deezer D. (Malik McGrath), Kristin Minter (Randi Fronczak), Gedde Watanabe (Yosh Takata), Brad Blaisdell (), Diane Dilascio (Mrs. Perault), Whitney Dylan (Laura Beckton), Colby French (), Terri Garber (), Ernest Harden Jr. (Mr. Howard), Michele Harrell (), Shane Lyons (Stuart), Sandra Purpuro (Officer Kimble), David Roberson (Officer Durcy), Adrian Ricard (Mrs. Howard), Will Rothhaar (Bo), Judith Scarpone (Ms. Howard), Jamie Renee Smith (Emily Perault), Derek Webster (Greg Beckton)

Special Guest Star: Lourdes Benedicto (Rena Trujillo)

Guest Starring (end credits): Lynn A. Henderson (Pamela Olbes)

Co-Starring: Sandra Cevallos (Stacey), Michael Garvey (Eddie Polynski), Ben Israeli (Toby), Dinah Lenney (Shirley), Delaina Mitchell (Nicole), Maritza Murray (Michele), Alec Roberts (Simon), Shannon Sutter (Donna), Emily Wagner (Pickman), Mitchah S. Williams (Eric)