
Acting
August 7, 1949 (76 years old)
San Mateo, California, USA
Also Known As
Keith Ian Carradine
Keith Ian Carradine (born August 8, 1949) is an American actor and singer-songwriter. In film he is known for his roles as Tom Frank in Robert Altman's Nashville, E. J. Bellocq in Louis Malle's Pretty Baby, and Mickey in Alan Rudolph's Choose Me. On television he is known for his roles as Wild Bill Hickok on the HBO series Deadwood, FBI agent Frank Lundy on the Showtime series Dexter, Lou Solverson in the first season of FX's Fargo, Penny's father Wyatt on the CBS sitcom The Big Bang Theory, and U.S. President Conrad Dalton on the CBS political drama Madam Secretary. He is a member of the Carradine family of actors, including father John Carradine, brothers Robert and David Carradine, and daughter Martha Plimpton.

Let's Call the Whole Thing Off
2025
as Dr. Wagner

The Devil and the Daylong Brothers
2025
as Nehemiah Daylong

Laws of Man
2025
as Galen Armstrong

Afraid
2024
as Marcus

Sallywood
2024
as George Corrigan

Pretty Baby: Brooke Shields
2023
as Self (archive footage)

Accused
2023
as Billy Carlson

A Nashville Country Christmas
2022
as Keaton

The Power of the Dog
2021
as The Governor

Rugrats
2021
as Bob Brine (voice)

Law & Order: Organized Crime
2021
as Judge Clayton 'Clay' Bonner

Deadwood: The Movie
2019
as Wild Bill Hickok (archive footage)

The Old Man & the Gun
2018
as Captain Calder

Ray Meets Helen
2018
as Ray

Way Out on a Limb
2016
as Self

A Quiet Passion
2016
as Edward Dickinson

Fear the Walking Dead
2015
as John Dorie

Bereave
2015
as Victor

Madam Secretary
2014
as Conrad Dalton

Terroir
2014
as Jonathan Bragg