ER (1994-2009)
| Elenco regular | |
 | |
| Anthony Edwards (1962) | ... Dr. Mark Greene, Jefe de Residentes (1994-2002) |
 | |
| George Clooney (1961) | ... Dr. Douglas Ross, Pediatra (1994-1998) |
| Sherry Stringfield | ... Dra. Susan Lewis (1994-1996, 2001-2005) |
| Noah Wyle | ... Dr. John Carter (1994-2004) |
| Eriq La Salle | ... Dr. Peter Barton, Cirujano (1994-2002) |
| Julianna Margulies | ... Enf. Carole Hathaway (1994-2000) |
 | |
| William H. Macy (1950) | ... Dr. David Morgenstern |
| Christina Harnos | ... Jennifer Greene |
 | |
| Cch Pounder (1952) | ... Dra. Angela Hicks |
 | |
| Rick Rossovich (1958) | ... Dr. John Taglieri |
| Ming-Na Wen | ... Dra. Deb Chen (1994-1995, 1999-2005) |
 | |
| Abraham Benrubi (1969) | ... Jerry, el Ordenanza |
 | |
| Gloria Reuben (1964) | ... Jennie Bouler (1994-1999) |
| Christine Elise | ... Harper Tracy (1995-) |
| Laura Innes | ... Kerry Weaver, Jefa de Residentes (1995-2006) |
 | |
| Maura Tierney (1965) | ... Abby Lockhart (1999-) |
| Mekhi Phifer | ... Dr. Gregory Pratt (2002-) |
| Goran Visnjic | ... Dr. Luka Kovac (1999-) |
| Alex Kingston | ... Dra. Elizabeth Corday (1997-2004) |
| Paul McCrane | ... Dr. Robert Romano (1999-2004) |
| Michael Michele | ... Dr. Cleo Finch (1999-2001) |
| Erik Palladino | ... Dr. Dave Malucci (1999-2001) |
| Kellie Martin | ... Lucy Knight (1998-1999) |
| Sharif Atkins | ... Michael Gallant (2002-) |
| Maria Bello | ... Dra. Anna del Amico (1997-1998) |
| Parminder Nagra | ... Dra. Neela Rasgotra (2003-) |
| Linda Cardellini | ... Enf. Samantha Taggart (2003-) |
| Shane West | ... Dr. Ray Barnett (2004-) |
| Scott Grimes (...-1971) | ... Dr. Archie Morris (2005-) |
| Paul McCrane | ... Dr. Robert Romano (1997-1999) |
| John Stamos | ... Tony Gates (2006-) |
| Ficha Técnica | |
| Michael Crichton (1942-2008) | Idea Original |
