American Film Institute Catalog of Feature Films 1941-1950 claims that "HR production charts include Archie Twitchell in the cast, but his appearance in the released film has not been confirmed." Obviously, the AFI research team was unaware that directly above this comment on their own page, they had already listed Twitchell under his other often used name of Michael Branden as Officer Jimmy Trigg, without screen credit but featured in several key scenes.
Kruger's car is a 1941 Buick convertible; the "A" sticker on his front windshield is a World War II era gasoline ration status. The "A" sticker was aimed at nonessential driving and was good for three gallons a week to be used for essential shopping and other uses.