Dreamer is known in the comics as Beautiful Dreamer, a leader of the Morlock group with the power to affect people's memories through their dreams.
In the scene at the hospital, when Kate and Marcos are stealing the drugs to treat Clarice, the Public Address system announces that "Dr. Wiseman" is needed in the waiting room. Len Wiseman is one of the executive producers of the series and director of this episode.
Coby Bell, Garret Dillahunt and Sharon Gless have appeared in Burn Notice (2007), another show created by Matt Nix.