Crusading newspaperman Cliff Roberts masquerades as a prison guard to document inhuman conditions.
Douglas Kennedy
as Cliff Roberts, aka Jack Granger
Emory Parnell
as Capt. Duncan
William Phillips
as Roy Snead
Don C. Harvey
as Lead Guard Langley
Harry Cheshire
as Editor Daniel "Pop" O'Donnell
Marjorie Lord
as Rita McKelvey
Thurston Hall
as John McKelvey, news publisher
Billy Lechner
as Eddie Jones, convict with sore foot
Larry Steers
as Committee Chairman
Herbert Rawlinson
as Senator Holden
George Eldredge
as Guard Adams
Rusty Wescoatt
as Guard Yates