"A mailman leads PO-men to a pistol-packing stamp thief and her gang."
Audrey Long
as Clara Kelso
Warren Douglas
as Bill Mannerson
Jeff Donnell
as April Shaughnessy
Marcel Journet
as George Zelger
Danny Morton
as Frank Forenti / Tony Cannon
Richard Benedict
as Louis Reese
Jimmie Dodd
as Eddie Waltch
Thomas Browne Henry
as Lt. Contreras
Cliff Clark
as Inspector Delany
Vera Marshe
as Bubbles
Peter Brocco
as Bruno Antista
Patricia Knox
as Hannah
Holmes Herbert
as James Seeley
Jason Robards Sr.
as Henry Hand
Emmett Vogan
as Post Office Superintendent
George Blair
Director
John K. Butler
Writer
Sidney Picker
Producer
Stanley Wilson
Original Music Composer
John MacBurnie
Director of Photography
Harold Minter
Editor
