Sean McClory
- Body Bags
1993 Minister
- The Dead
1987 Mr. Grace
- Young Harry Houdini
1987 Sean O'Casey
- My Chauffeur
1986 O'Brien
- Murder, She Wrote
1984 Ross Barber
- Falcon Crest
1981 Frank O'Neal
- Roller Boogie
1979 Jammer Delany
- Battlestar Galactica
1978 Assault 9
- The New Daughters of Joshua Cabe
1976 Codge Collier
- Kate McShane
1975 Pat McShane
- S.W.A.T.
1975
- Kate McShane
1975 Pat McShane
- The Day of the Wolves
1971 The Sheriff
- Columbo
1971 Captain
- Bandolero!
1968 Robbie O'Hare
- The Outcasts
1968
- Lancer
1968 Coley McHugh
- The Gnome-Mobile
1967 Horatio Quaxton
- The Happiest Millionaire
1967 Police Sergeant
- The King's Pirate
1967 Sparkes
- Mannix
1967
- The High Chaparral
1967 Sandy McIntire
- Follow Me, Boys!
1966 Edward White, Sr.
- Family Affair
1966
- Tarzan
1966
- Lost in Space
1965 Hamish
- Honey West
1965 Insurance Investigator Booth
- Convoy
1965 Major Perth-Whittaker
- Cheyenne Autumn
1964 Dr. O'Carberry
- Daniel Boone
1964 Liam O'Hara
- The Great Adventure
1963 Major Carlton
- The Dakotas
1963
- The Outer Limits
1963 Karl Emmet
- The Virginian
1962 Cobb
- Valley of the Dragons
1961 Michael Denning
- Surfside 6
1960
- The Islanders
1960 Quinn
- Thriller
1960 Sean O'Danagh
- Checkmate
1960 Stamper
- Rawhide
1959 Finn
- One Step Beyond
1959 Michael Barry
- Adventures in Paradise
1959 Mike Milligan
- The Detectives
1959
- The Swamp Fox
1959
- The DuPont Show with June Allyson
1959 Father Ray
- Bonanza
1959 Mark Connors
- Bronco
1958
- Wanted: Dead or Alive
1958 'Doc' Phillips
- The Rifleman
1958
- The Guns of Fort Petticoat
1957 Emmett Kettle
- Perry Mason
1957 Fred Wenzel
- The Californians
1957 Jack McGivern
- Richard Diamond, Private Detective
1957 Ted O'Malley
- Diane
1956 Count Michel Montgomery
- Dick Powell's Zane Grey Theatre
1956 Graham Clague
- Telephone Time
1956
- Moonfleet
1955 Elzevir Block
- The Long Gray Line
1955 Dinny Maher
- The King's Thief
1955 Sheldon
- I Cover the Underworld
1955 Gunner O'Hara / John O'Hara
- Gunsmoke
1955 Clete Bolden
- Alfred Hitchcock Presents
1955 Brother Gerard
- Matinee Theater
1955
- Frontier
1955
- Them!
1954 Maj. Kibbee
- Ring of Fear
1954 Dublin O'Malley
- The Child
1954 Reverend Smith
- Lassie
1954
- Climax!
1954 Mark Yorke
- Charade
1953 Jack Stuydevant
- Island in the Sky
1953 Frank Lovatt, Dooley's co-pilot
- Man in the Attic
1953 Constable #1
- Plunder of the Sun
1953 Jefferson
- Niagara
1953 Sam (uncredited)
- The Quiet Man
1952 Owen Glynn
- Les Miserables
1952 Bamtasbois (uncredited)
- What Price Glory
1952 Lt. Austin (uncredited)
- Cavalcade of America
1952 Andrew Johnson
- Four Star Playhouse
1952 Robert Upton
- Lorna Doone
1951 Charleworth Doone
- The Desert Fox: The Story of Rommel
1951 Jock
- Storm Warning
1951 Shore
- Anne of the Indies
1951 Hackett
- The Daughter of Rosie O'Grady
1950 James Moore
- Lux Video Theatre
1950 Albert
- Roughshod
1949 Fowler
- Beyond Glory
1948 Barney
- Dick Tracy's Dilemma
1947 Officer Dillon (uncredited)
- Dick Tracy Meets Gruesome
1947 Officer Carney (uncredited)
