Biography

Jeffrey Lane Hephner is an American actor, best known for the role of Jeff Clarke, first on the NBC television series Chicago Fire and then on its sister show, Chicago Med. More recently, he co-starred with Jennifer Garner in the action thriller film Peppermint. He also appears in the 2016 National Geographic TV series MARS and the Apple TV+ original science fiction space drama series For All Mankind. In January 2019, he co-starred in the film An Acceptable Loss.

Actor

Eric(2024)as Costello

Power Book II: Ghost(2020)as Detective Kevin Whitman

For All Mankind(2019)as Sam Cleveland

Our Kind of People(2021)as Jack Harmon

The Shuroo Process(2021)as Adrian

Stunts

Oz(1997)

Thanks

Boss, Season 2: The King and His Court(2013)

Self

Switch(2023)as Self, Self - Host

Oppenheimer(2023)as Congressman

Today(1952)as Self - Guest

Behind the Scenes - Love Takes Flight(2019)as Self

Agent X(2015)as Self

Known for

Eric2024 · Actor Oppenheimer2023 · Self For All Mankind2019 · Actor Interstellar2014 · Actor

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Photos 41

Jeff Hephner and S. Epatha Merkerson in Chicago Med (2015)

Kelsey Grammer, Connie Nielsen, Kathleen Robertson, Jeff Hephner, and Hannah Ware in Boss (2011)

Credit Score: Jeff Hephner

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Interstellar

Doctor

Fri Nov 07 2014

#	Name	Score	Year	Known	★	Wins	Noms	Votes
1	Interstellar	187.50	2014	•	8.7	1	5	2526118
2	For All Mankind	20.00	2019	•	8.1	2	2	87792
3	Boss	5.20	2011		8.1	0	0	18902
4	Power Book II: Ghost	1.50	2020		7.5	0	0	14311
5	Mars	1.50	2016		7.4	0	0	15581
6	Peppermint	1.00	2018		6.5	0	0	75884
7	Hellcats	1.00	2010		6.7	0	0	11187
8	Tigerland	1.00	2001		6.9	0	0	45431
9	Maid in Manhattan	0.95	2002		5.4	0	0	102398