Horatio faces tests of loyalties; True and Penance prepare for what's coming.
| Name | Type | Role | |
|---|---|---|---|
| Ira Parker | Writer | ||
| Paul Thornley | Guest Star | New Superintendent | |
| Freddie Dennis | Guest Star | Young Rothram | |
| George Dawson | Guest Star | Hague's Assistant | |
| Johnny Kinch | Guest Star | Burly Guard | |
| D'angelou Osei Kissiedu | Guest Star | Isaiah Cousens | |
| Sebastian Abineri | Guest Star | Townhouse Owner | |
| Catherine Skinner | Guest Star | Gert | |
| Nicholas Farrell | Guest Star | Prince Albrecht | |
| Danny Dalton | Guest Star | Officer (New Scotland Yard) | |
| Jennifer Getzinger | Director |