Here you'll find a list of all of the Cast Members from Blessed:
Note: This list will be expanded as the characters who the actors and actresses portray are introduced in the series OR if a said character is mentioned but is set to appear at some point later on.
Jordin Sparks as Herself
Unknown/Unnamed Actors and Actresses portray extras such as background characters, extra demons, children and babies, and sometimes minor characters depending on the scene their seen in.
Unknown Actor as Airport Intercom Speaker in 1x01
Unknown Actor as Baby Pip in 1x01
Unknown Actor as Freshman in 1x03