Double idemnity characters.

 

 Barbara Stanwyck is the femfatale of double idemnity, you can see she's glamorous.

 

Fred MacMurray  you can see has a manly profession ie detective, reporter, insurance man, boxer from the suit he's in. 

Here are the two main characters in the 'double idemnity', you can see how they both fit the criteria to star in film noir's.