John Mahoney

Charles John Mahoney was an English-American actor of stage, film, and television. Born in Blackpool, England, Mahoney emigrated to the United States at the age of 18 and started his acting career on the stage in 1977, moving into film in 1980. He was best known for playing the blue-collar patriarch Martin Crane in the American sitcom Frasier, which aired on NBC from 1993 to 2004.

ER · S13, E3

Somebody to Love

Pratt assumes his new role as attending but must deal with the new interns; Gates' patient is an older man with congestive heart failure, whose partner (John Mahoney) fights with the man's family to keep him alive.
Burn Notice · S3, E16

Devil You Know

Michael's worst fears come to life when a world class terrorist is unleashed on Miami, threatening to detonate a bomb if Michael doesn't give him what he wants.
Burn Notice · S2, E16

Lesser Evil

In the explosive season finale, Michael learns some surprising facts about Victor's past, and is forced to take on Carla in a final showdown.