The Falcon's Brother 1942

Synopsis:

A gentlemanly detective known as The Falcon calls on his brother to help him stop the Nazis from assassinating a key diplomat.

Directed by: Stanley Logan
Written by: Stuart Palmer & Craig Rice
Runtime: 63 minutes
Tagline: Brother vs. Brother & both against the mob!
Related titles:
Cast:
George Sanders
George Sanders
Gaylord "Gay" Lawrence 
Tom Conway
Tom Conway
Tom Lawrence 
Jane Randolph
Jane Randolph
Marcia Brooks 
Don Barclay
Don Barclay
Lefty 
Cliff Clark
Cliff Clark
Timothy Donovan 
Edward Gargan
Edward Gargan
Detective Bates