He was portrayed by Jeffrey Muller.
Kaminsky started as a helicopter pilot for S.H.I.E.L.D., however he was one of many HYDRA sleeper agents, shortly after the Battle of the Triskellion, he revealed his true allegiances.
When he reported to Garrett, he gave the HYDRA salute, to the embarrassment of Garrett. When Garrett and Grant Ward had difficulties entering the Fridge as the guards' had doubts about their loyalty, Kaminsky's helicopter arrived and began firing on them, so that the guards would believe them and allow them to enter.
Kaminsky was one of many HYDRA soldiers that infiltrated the Fridge to retrieve secret S.H.I.E.L.D. weaponry under the orders of Garrett. When Garrett's organs failed, Kaminsky helped Ward carry Garrett to a table and removed Raina from the room.
When a S.H.I.E.L.D. team infiltrated the Hydra Headquarters, Kaminsky awaited them, carrying the Beserker Staff, giving him unlimited strength. S.H.I.E.L.D managed to relieved Kaminsky of the staff as a battle began between Coulson's team and the Centipede Soldiers ensued. Kaminsky proved no match for the S.H.I.E.L.D. agents as Agent May used the staff to destroy the base and bury him.
It is however, unknown if he survived.