The picture was written by Abby Mann and directed by Stanley Kramer , and stars Spencer Tracy , Burt Lancaster , Richard Widmark , Maximilian Schell , Werner Klemperer , Marlene Dietrich , Judy Garland , William Shatner , and Montgomery Clift .
It stars Spencer Tracy , Burt Lancaster , Richard Widmark , Maximilian Schell , Werner Klemperer , Marlene Dietrich , Judy Garland , William Shatner , and Montgomery Clift .