Colonel is a fictional character portrayed by John Mahon in the TV series Cold Case.
In the first episode they appeared in, titled The Plan (season 1), they were 66 years old.
They appear in 1 episodes out of a total of 156 aired
Episodes1
The Plan
episode S1.E22 may 2004The Team gets an anonymous letter saying the 1999 accidental death of a swim coach at a military academy was the result of a carefully orchestrated plot.