Jamil Walker Smith as Ronald Greer – In early casting documents named Ron "Psycho" Stasiak, Ronald Greer is a "big, strong, silent" Marine with a mysterious past who lacks control over his temper in non-combat situations.
Jamil Walker Smith – Ronald Greer – esialgsetes tegelaskujude dokumentides oli tema nimeks Ron "Hull" Stasiak, Ronald Greer on "suur, tugev, vaikne" merejalaväelane koos salapärase minevikuga, kellel puudub kontroll oma tujude üle, lahinguga mitteseotud olukordades.