A former convict poses as a cop to retrieve a diamond he stole years ago. Frequently Asked Questions Q: Why is it that in the thunderstorm scene when Sherry gets into bed they call it a mistake of having the mustache show up on what sherry thinks is big momma. Two mismatched security guards are thrown together to bust a smuggling operation. FBI agent Malcolm Turner is known best for being a brilliant, master of disguise. Quotes John : I'm a married man, I'm not used to this much attention. Martin Lawrence plays Jamal, an employee in Medieval World amusement park.