King Frederick Renard is the father of Sean and Eric Renard, and the uncle of Viktor von Konigsburg He first appeared in "Nobody Knows the Trubel I've Seen".
Guest cast, played by Dan Kremer
- Episode 3x19: Nobody Knows the Trubel I've Seen (Apr 25, 2014)
- Episode 4x15: Double Date (Mar 27, 2015)
- Episode 4x22: Cry Havoc (May 15, 2015)