| Name | Character | Episodes |
|---|---|---|
| Richard Dreyfuss | Bernie Madoff | 4 |
| Bruce Altman | Gary Flumenbaum | 4 |
| Frank Whaley | Harry Markopolos | 4 |
| Blythe Danner | Ruth Madoff | 4 |
| Tom Lipinski | Mark Madoff | 4 |
| Michael Rispoli | Frank DiPascali | 4 |
| Charles Grodin | Carl Shapiro | 4 |
| Lewis Black | Gregory Perkins | 4 |
| Susan Blommaert | Vera Zweig | 4 |
| Erin Cummings | Eleanor Squillari | 4 |
| Lyne Renee | Catherine Hooper | 4 |
| Peter Scolari | Peter Madoff | 4 |