Kevin Tighe (b. Jon Kevin Fishburn; August 13, 1944) is an American character actor primarily known for his roles on television. Tighe is best known for his role as Roy DeSoto, a senior paramedic, on the NBC series Emergency! (1972–77). He and Randolph Mantooth, his partner in the series, have remained close friends. In the 2000's he played Anthony Cooper the father of John Locke on the ABC series Lost.
Description above from the Wikipedia article Kevin Tighe, licensed under CC-BY-SA, full list of contributors on Wikipedia.
Julian Cooper
Gregory Searle
Anthony Cooper
Henry Janeway
Krulak
Lt. Moynihan
Dr. Edwin Lindgard
Chris
Root
Gov. Jack Buckland, D-IN
Pete Mattimore
Keith Watts
Joe Morris
Fletcher Bellwood
Sam Forney (segment "Cutting Cards")
Roy DeSoto
Roy DeSoto
Senator Lenhoff
General
Mr. Andopolis
Jack Blake
Victor Kandinsky
Insp John Fernack
David Blalock
Carter (Showering Fraternity Brother) (uncredited)
Ken Carver
Fireman Roy DeSoto (voice)
Ben Foley
Frank Tilghman
Brig. Gen. Nelson Miles
Lyman
Coach McDevitt
Blake Wilson
D.A. Arnold Clifford
Sport Sullivan
Snyder
Herbert Clutter
Colonel Merrick
Max Stevens
Brian Cody
Bill Hickey
William Gottschalk
Mr. Crisp
John Cortland
Gene
O'Brien
Jake
Sheriff Bronson
Jack Fryman
Billy Abbott
Thomas Jefferson
Dave Richter
Bill Carroll
Benjamin Rigby
William Gottschalk
Dr. Gaeyl
Joe
William Randolph Hearst
Police Detective
Coach Jeffries
Frank
Narrator
California County Sheriff Rawley Gill
Steven Elliott
Richard Foster
D.A. John Byron
Donald
Insp. John Fernack
Allan Hollingsworth
Roy DeSoto
John Scott