There was $335,000 in the attache case, however the packets contained hundred dollar bills. Hundred dollar bill packets contain a hundred bills making each worth $10,000. The cases had ten packets, five rows of two in each layer worth $100,000. There should have been three or possibly four layers. Each layer would be less than half an inch thick totaling two inches. However the attache case was twice that deep and was filled to the top.
Don Brody (Christopher Stone) grabs Melvin Pearson (Dick Van Patten) at the top of the stairs. Mel falls down the stairs. The stuntman has more hair and no bald spot.