
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.

Law & Order
TV • 1990

NCIS
TV • 2003

Frasier
TV • 1993

Criminal Minds
TV • 2005

Saturday Night Live
TV • 1975

Dexter
TV • 2006

Dexter
TV • 2006

The Tonight Show Starring Johnny Carson
TV • 1962

Damages
TV • 2007

The Mike Douglas Show
TV • 1961

Golden Globe Awards
TV • 1944

Golden Globe Awards
TV • 1944

The View
TV • 1997

Fargo
TV • 2014

Bonanza
TV • 1959

Great Performances
TV • 1971

Numb3rs
TV • 2005

High Potential
TV • 2024