Mallory's quip about advancing him $100 till Monday would be the same as advancing him $2100 in 2022.
The average annual wage in 1936, the year this film was released, was $1,718 - which equates to about $36,420 in 2022.
According to the AFI Catalog entry for this film, it is based on a 14 October 1926 hold-up of a mail truck in Elizabeth, New Jersey where the driver was killed and his assistant and a police officer were wounded. $161,000 was stolen. Two of the robbers, James "Killer" Cunniffe and William "Ice Wagon" Crowley, along with Cunniffe's girlfriend ended up dead in Highland Park, Michigan two weeks later.
Many cast members in studio records/casting call lists do not appear or are not identifiable in the movie. These are (with their character names): Frank Conroy (Eddie Parsons), Robert Warwick (Lansing), Maxine Jennings (Babe), Alan Curtis (Bill), Edward Gargan (Mike), Landers Stevens (Norris), and Vivien Oakland (Mrs. Norris). The characters of Eddie Parsons, Lansing, Babe, Mike, and Norris are played by other actors.