Overview
Since Benno Geyer fails to pass his Abitur due to his panicky exam anxiety, Dr. Fritz Geyer enrolls in high school under his brother's name. As a model student, he has no trouble getting good grades, but he quickly becomes unpopular among the students. From then on, he tries to impress with the craziest pranks.
| Actor | Age then | Age now | |
|---|---|---|---|
 | 36 | February 12, 2011 (84) | |
 | 19 | 81 | |
 | 44 | October 2, 2003 (85) | |
 | 51 | May 5, 2007 (95) | |
 | 25 | January 9, 1988 (49) | |
 | 63 | January 15, 1987 (87) | |
| 53 | October 29, 2000 (90) | |
 | 74 | August 29, 1966 (77) | |
 | 66 | June 23, 1987 (90) | |
| 53 | June 21, 1995 (86) |