Those High Grey Walls is a 1939 American crime film directed by Charles Vidor and starring Walter Connolly, Onslow Stevens and Iris Meredith.^[1] Produced and distributed by Columbia Pictures, it is also known by the alternative title The Gates of Alcatraz.

Dr. MacAuley, a kindly beloved country doctor, is sent to Fillmore Prison. His Crime was for removing a bullet from a young man who was escaping from the police.

• Walter Connolly as Dr. MacAuley
• Onslow Stevens as Dr. Frank Norton
• Paul Fix as Nightingale
• Bernard Nedell as Redlands
• Iris Meredith as Mary MacAuley
• Oscar O'Shea as Warden
• Nicholas Soussanin as "Lindy" Lindstrom
• Don Beddoe as Jockey

• Those High Grey Walls at IMDb
• Those High Grey Walls at the TCM Movie Database
• Those High Grey Walls at the British Film Institute^{[better source needed]}