| Name | Character | Episodes |
|---|---|---|
| Viola Davis | 9 | |
| Ioan Gruffudd | 9 | |
| Hector Elizondo | 9 | |
| Nestor Carbonell | 9 | |
| Kristin Lehman | 9 | |
| Felicia Day | Sheryl | 9 |
| Eric Schaeffer | 9 | |
| Kandice Stroh | Mrs. Paikan (1 episode) | 9 |
| Cayden Boyd | 2 | |
| Sarah Shahi | 1 | |
| Mae Whitman | Erin Pace | 1 |
| Kathleen Wilhoite | 1 | |
| Rosalind Chao | Doctor | 1 |
| Jessica Hecht | 1 | |
| Gregory Jbara | 1 | |
| Richard Thomas | 1 | |
| Enrico Colantoni | Frank Summers | 1 |
| JR Bourne | 1 | |
| Daryl Sabara | 1 | |
| Kevin J. O'Connor | 1 | |
| Meghan, Duchess of Sussex | 1 | |
| David Paymer | Miller Sisto | 1 |
| Bree Turner | 1 | |
| Michael B. Silver | 1 | |
| Anthony Zerbe | 1 | |
| Zachery Ty Bryan | 1 | |
| Lawrence Pressman | 1 | |
| Matt Battaglia | 1 | |
| Robert Guillaume | 1 | |
| Robert Peters | 1 | |
| Todd Louiso | 1 | |
| Freda Foh Shen | 1 | |
| Shawn Pyfrom | 1 | |
| Gabriel Olds | 1 | |
| Nancy Linehan Charles | 1 | |
| Chris Kramer | 1 | |
| Archie Kao | 1 | |
| Don Most | 1 | |
| Phillip Rhys | 1 | |
| Jessica Lundy | 1 | |
| Klea Scott | 1 | |
| John Tierney | 1 | |
| Paul Becker | 1 |