Edward G. Robinson
Role: Federal Agent Wilson
Loretta Young
Role: Mary Longstreet
Orson Welles
Role: Prof. Charles Rankin
Philip Merivale
Role: Judge Adam Longstreet
Richard Long
Role: Noah Longstreet
Konstantin Shayne
Role: Konrad Meinike
Byron Keith
Role: Dr. Jeffrey Lawrence
Billy House
Role: Mr. Solomon Potter
Martha Wentworth
Role: Sara
David Bond
Role: Student (uncredited)
John Brown
Role: Passport Photographer (uncredited)
Neal Dodd
Role: Minister (uncredited)
Nancy Evans
Role: Undetermined Role (uncredited)
Adolph Faylauer
Role: War Crimes Commision Member (uncredited)
Fred Godoy
Role: Undetermined Role (uncredited)
Theodore Gottlieb
Role: Fairbright (uncredited)
Joseph Granby
Role: Undetermined Role (uncredited)
Ethan Laidlaw
Role: Todd, Customer in Potter's Store (uncredited)
Ruth Lee
Role: Undetermined Role (uncredited)
Lillian Molieri
Role: Undetermined Role (uncredited)
Isabel O'Madigan
Role: Mrs. Lawrence (uncredited)
Gabriel Peralta
Role: Undetermined Role (uncredited)
Gerald Pierce
Role: Kid Throwing Newspaper Shreds (uncredited)
Robert Raison
Role: Undetermined Role (uncredited)
Rebel Randall
Role: Undetermined Role (uncredited)
Johnny Sands
Role: Jogging Student in Woods (uncredited)
Erskine Sanford
Role: Party Guest (uncredited)
Pietro Sosso
Role: Mr. Peabody (uncredited)
Josephine Victor
Role: Undetermined Role (uncredited)