Richard Dadier is a teacher at North Manual High School, an inner-city school where many of the pupils frequently engage in anti-social behavior. Dadier makes various attempts to engage the students' interest in education, challenging both the school staff and the pupils. He is subjected to violence as well as duplicitous schemes.
Glenn Ford
as Richard Dadier
Anne Francis
as Ann Dadier
Louis Calhern
as Jim Murdock
Margaret Hayes
as Lois Judby Hammond
John Hoyt
as Mr. Warneke
Richard Kiley
as Joshua Y. Edwards
Emile Meyer
as Mr. Halloran
Warner Anderson
as Dr. Bradley
Basil Ruysdael
as Prof. A.R. Kraal
Sidney Poitier
as Gregory W. Miller
Vic Morrow
as Artie West
Dan Terranova
as Belazi
