| cast |
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| Series Regulars | |||
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| Erinn Hayes | Erinn Hayes as Dr. Lola Spratt | Henry Winkler | Henry Winkler as Sy Mittleton |
| Ken Marino | Ken Marino as Dr. Glenn Richie | Lake Bell | Lake Bell as Dr. Cat Black |
| Malin Akerman | Malin Akerman as Dr. Valerie Flame | Megan Mullally | Megan Mullally as Chief |
| Michael Cera | Michael Cera as Sal Viscuso | Rob Corddry | Rob Corddry as Dr. Blake Downs |
| Ron Huebel | Ron Huebel as Dr. Owen Maestro | | |
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| Recurring & Guests | |||
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| Jordan Peele | Jordan Peele as Dr. Brian | Nick Kroll | Nick Kroll as Nicky |
| Seth Morris | Seth Morris as Dr. Nate Schachter | | |