"Granite-jawed Jack Holt performs a dual role in Columbia's Trapped by G-Men."
Jack Holt
as G-Man Martin Galloway, posing as Bill Donovan
Wynne Gibson
as Alice Segar, posing as Mrs. Donovan
C. Henry Gordon
as Kilgour
Jack La Rue
as Fred Drake
Edward Brophy
as Lefty
William Pawley
as Harry Grady
Arthur Hohl
as Henchman Blackie
Robert Emmett O'Connor
as Federal Agent Jim
William Bakewell
as Dick Withers
Eleanor Stewart
as Nancy Higbee
Charles Lane
as Fingers
Frank Darien
as Dad Higbee
Lucien Prival
as Franzy
Richard Tucker
as Agency Chief Conover
George Cleveland
as Miner
Wallis Clark
as Federal Agent
Hal Taliaferro
Lewis D. Collins
Director
Bernard McConville
Story
Tom Kilpatrick
Screenplay