Lt. Wallace is a fictional character portrayed by Sean McGowan in the TV series NCIS.
They appear in 1 episodes out of a total of 467 aired so far
Episodes1
The Good Samaritan
episode S1.E14 february 2004A Navy dentist from a Naval air station dies of a single shot to his back, apparently in an execution-style murder; the NCIS investigates. Two more men from the same Naval air station soon die identically. Gibbs and company figure it out.