Warren Frost was an American actor who portrayed Doctor Will Hayward in Twin Peaks (1990-1991), Twin Peaks: The Missing Pieces, and Twin Peaks (2017).
He is also known for roles in Matlock, The Larry Sanders Show, and Seinfeld.
He was a theatrical teacher in Minnesota; his students included Lance Davis and Robert Engels.
Frost was the father of Twin Peaks co-creator Mark Frost and writer Scott Frost, grandfather to Travis Frost, and father-in-law to Rick Giolito.
