Others
- This is an incomplete list, which may never be able to satisfy particular standards for completeness. You can help by expanding it with reliably sourced entries.
| Actor/Actress | Character Position | Character Name | Years of Appearance |
|---|---|---|---|
| AleSusan Sarandon | Grandmother of a boy who died in an accident | Nora | 2009 |
| AleRay Liotta | A dying patient gives an insight into the regrets he has about his wasted life | Charlie Metcalf | 2004 |
| AleLucy Liu | Mother of a little boy who has AIDS | Mei-Sun Leow | 1995 |
| AleJake Lloyd | Son of the patient Loretta Sweet | Jimmy Sweet | 1996 |
| AleEwan McGregor | Holds up a convenience store with hostages including Carol Hathaway | Duncan Stewart | 1997 |
| AleJoe Torry | Sues Mark Greene after his brother dies; a suspect in Greene's beating | Chris Law | 1997 |
| AleBradley Whitford | Husband of a pregnant patient in Mark Greene's care | Sean O'Brien | 1995 |
| AleJames Belushi | Father who was brought in after a car accident with his son | Dan Harris | 2001 |
| AleJared Padalecki | Son who was brought in after a car accident with his father | Paul Harris | 2001 |
Read more about this topic: List Of Supporting Characters In ER