Pat O'Brien
— Father Peter J. Dunne
Darryl Hickman
— Matt Davis
Charles Kemper
— Emmett Mulvey
Una O'Connor
— Miss O'Rourke
Ruth Donnelly
— Kate Mulvey
Arthur Shields
— Michael O'Donnell
Harry Shannon
— Thomas Lee
Joe Sawyer
— Steve Davis
Anna Q. Nilsson
— Mrs. Olaf Knudson
Billy Gray
— Chip
Myrna Dell
— Paula Hendricks
Griff Barnett
— Governor
Frank Ferguson
— Colpeck
Ellen Corby
— Colpeck's Secretary
Donn Gift
— Jimmy
Jason Robards Sr.
— J.J. Sonin
Raymond Burr
— Attorney in Trial Montage
Florence Clayton
— Blowsy Woman (uncredited)
Eric Roberts
— Monk