| cast |
 |
|
|
|
| Series Regulars | |||
| |||
| Gabourey Sidibe | Gabourey Sidibe as Andrea Jackson | John Benjamin Hickey | John Benjamin Hickey as Sean |
| Laura Linney | Laura Linney as Cathy | Oliver Platt | Oliver Platt as Paul |
| Phyllis Somerville | Phyllis Somerville as Marlene | Reid Scott | Reid Scott as Dr. Todd |
| |||
| Recurring & Guests | |||
| |||
| Alan Alda | Alan Alda as Dr. Atticus Sherman | Cynthia Nixon | Cynthia Nixon as Rebecca |
| Gabriel Basso | Gabriel Basso as Adam | Hugh Dancy | Hugh Dancy as Lee Fallon |
| Parker Posey | Parker Posey as Poppy | | |