Ethan Embry had to temporarily bow out of filming for a few episodes, due to a sports injury. His character (Frank Smith) was said to be away, caring for his ailing father.
The original Dragnet theme, titled "Danger Ahead", actually predated Dragnet. It is the score of Les tueurs (1946).
After the show was cancelled by ABC in 2003, three of the remaining five unaired episodes premiered on USA Network in 2004.
Ed O'Neill and Ethan Embry first starred together in the film Sacré sale gosse (1991) when Embry was only 13 years old.
Danny Huston was originally cast in the lead role of Joe Friday but was replaced by Ed O'Neill after completing the first episode, entitled "Three Blondes", and his scenes were re-shot.