- David Giuntoli (Nick Burkhardt)
- Silas Weir Mitchell (Monroe)
- Russell Hornsby (Hank Griffin)
- Sasha Roiz (Sean Renard)
- Reggie Lee (Drew Wu)
- Bree Turner (Rosalee Calvert)
- Claire Coffee (Adalind Schade)
- Elizabeth Tulloch (Eve)
Grimm — S1E17
Episode: Love Sick
Air Date: 2012-04-13
Runtime: 41 min
Overview
Nick finally discovers that Hank is dating Adalind, the same Hexenbiest responsible for Marie's death. Meanwhile, Monroe and his girlfriend Rosalee have to secretly help Hank and Wu, and Renard gets a visit that threatens his position among the creature leadership.