Dr. Thomas Mandel is a fictional character portrayed by John Hillner in the TV series Numb3rs.
In the first episode they appeared in, titled Hardball (season 3), they were 54 years old.
They appear in 1 episodes out of a total of 118 aired
Episodes1
Hardball
episode S3.E8 november 2006The death of a minor league player leads to a math prodigy and stirs old feelings for Don.