Panther Lee Johnson's lines were improvised.
The characters of Durrell, Sonya and Colleen were inspired by actual people Benjamin Allotey knew or grew up with in Worcester, Massachusetts.
The character of Willie Billz was written for Yusaf "Joe Black" Harris characteristics in mind.
Dead Giveaway The Motion Picture was originally a short film until Yusaf Harris convinced Benjamin Allotey to add more layers to the story as far characters, situations and subplots. The result of it was a feature length script.
The robbery in the movie was loosely based on crime that occurred in Worcester, Massachusetts back in the 1980's. A man by the name of Stanley Cymbura was known to carry five thousand dollars in cash on him at all times. He was robbed and killed by five teenagers for his money. The teens were caught because the money they spent was old dollar bills.