Marcus Derringer is a fictional character portrayed by Jonathan Cohn in the TV series Blue Bloods.
They appear in 4 episodes out of a total of 285 aired so far
Episodes4
Moonlighting
episode S2.E9 december 2011Jamie goes undercover in a boiler room operation, selling stocks on cold calls, to get their client list with criminal links. Danny drives around a convicted mobster who reveals murdered bodies, in a deal to help his carjacking son.Greener Grass
episode S3.E6 november 2012When Erin's key witness, an infamous photographer, is nearly killed in a hit and run, she arranges for Danny to work protection detail to safeguard him.Nightmares
episode S3.E7 november 2012Danny is called to the scene on Halloween night, when a man in a priest costume is attacked by a figure dressed as a skeleton. Detective Kate Lansing is assigned to help on the case and she recognizes the skeleton costume as the garb of Baron Samedi, a Haitian spirit of death.Fathers and Sons
episode S3.E10 january 2013When two motorists driving gas-guzzling cars die at the hands of a sniper, Danny and Kate are put on the case of what the city believes is the work of a radical environmental serial killer.
- Moonlighting
- Greener Grass
- Nightmares
- Fathers and Sons