Stephen McNally
- Secrets of Midland Heights
1980 Dr. Loy
- Hi-Riders
1978 Mr. Lewis
- W.E.B.
1978
- Fantasy Island
1978 Judge Harper
- Mission to Glory: A True Story
1977 Juan Salvatierra (uncredited)
- Charlie's Angels
1976 Joseph Thurgood
- The Lives of Jenny Dolan
1975 Lt. Nesbitt
- Starsky & Hutch
1975
- Switch
1975 Steve Morgan
- Medical Story
1975
- Nakia
1974 Alva Chambers
- Police Woman
1974
- The Six Million Dollar Man
1974 Dr. Louis Craig
- The Rockford Files
1974 Police Chief Austen Bailey
- Call to Danger
1973 Joe Barker
- Hawkins
1973 William Hardy Vincent
- Police Story
1973
- The Magician
1973 Manning Hargrove
- Black Gunn
1972 Laurento
- Vanished
1971 Gen. Palfrey
- McMillan & Wife
1971 Myles Eisner
- The Whole World Is Watching
1969 The Governor
- Once You Kiss a Stranger...
1969 Lt. Tom Gavin
- The Lonely Profession
1969 Lt. Joseph Webber
- Panic in the City
1968 James Kincade
- The Name of the Game
1968 Albert Lang
- Mannix
1967
- Ironside
1967
- Mission: Impossible
1966 Kruger Schtelman
- Requiem for a Gunfighter
1965 Red Zimmer
- The F.B.I.
1965 Casey Morton
- Run for Your Life
1965 Phil Beaumont
- The Big Valley
1965 Corso
- Branded
1965
- Burke's Law
1963 Ed Nickerson
- Kraft Suspense Theatre
1963 Major Sanford
- The Fugitive
1963 Jack Glennon
- The Outer Limits
1963 Col. MacWilliams
- Stampede at Bitter Creek
1962 Bill Gallagher
- The Virginian
1962 Sheriff Avedon
- The Alfred Hitchcock Hour
1962 Captain
- Target: The Corruptors!
1961 Paul Marino
- Ben Casey
1961
- Hell Bent for Leather
1960 Harry Deckett
- The Barbara Stanwyck Show
1960 Bill
- Rawhide
1959 Sky Blackstorm
- Riverboat
1959 Jeb Randell
- Hell's Five Hours
1958 Mike Brand
- The Fiend Who Walked the West
1958 Marshal Frank Emmett
- Johnny Rocco
1958 Tony Rocco
- The Texan
1958
- Hell's Crossroads
1957 Vic Rodell
- Tribute to a Bad Man
1956 McNulty
- Dick Powell's Zane Grey Theatre
1956 Steve Leader
- Telephone Time
1956
- Violent Saturday
1955 Harper
- The Man from Bitter Ridge
1955 Alec Black
- Gunsmoke
1955 Dal Neely
- A Bullet Is Waiting
1954 Sheriff Munson
- Make Haste to Live
1954 Steve Blackford
- Climax!
1954 Clark Rutman
- Studio 57
1954
- Split Second
1953 Sam Hurley
- Devil's Canyon
1953 Jessie Gorman
- The Stand at Apache River
1953 Lane Dakota
- Letter to Loretta
1953 Dr. Richard Sherwood
- Diplomatic Courier
1952 Col. Cagle
- The Black Castle
1952 Count Karl von Bruno
- The Duel at Silver Creek
1952 Marshal Lightning Tyrone
- Battle Zone
1952 Mitch Turner
- The Raging Tide
1951 Lt. Kelsey
- Iron Man
1951 George Mason
- Apache Drums
1951 Sam Leeds
- Air Cadet
1951 Major Jack Page
- The Lady Pays Off
1951 Matt Bradock
- Schlitz Playhouse of Stars
1951 Pvt. Earl Webb
- No Way Out
1950 Dan Wharton
- Winchester '73
1950 Dutch Henry Brown
- Woman in Hiding
1950 Selden Clark
- Wyoming Mail
1950 Steve Davis
- Lux Video Theatre
1950 Harry
- Criss Cross
1949 Det. Lt. Peter 'Pete' Ramirez
- The Lady Gambles
1949 Horace Corrigan
- City Across the River
1949 Stan Albert
- Sword in the Desert
1949 David Vogel
- Johnny Belinda
1948 Locky McCormick
- Rogues' Regiment
1948 Carl Reicher
- Up Goes Maisie
1946 Tim Kingsby (as Horace McNally)
- Magnificent Doll
1946 John Todd
- The Harvey Girls
1946 Gold Dust McClean
- Bewitched
1945 Eric Russell (as Horace McNally)
- Dangerous Partners
1945 Co-Pilot (as Horace McNally)
- Thirty Seconds Over Tokyo
1944 'Doc' White
- An American Romance
1944 Teddy Roosevelt Dangos / Narrator
- Keeper of the Flame
1943 Freddie Ridges
- Air Raid Wardens
1943 Dan Madison
- The Man from Down Under
1943 Dusty Rhodes
- For God and Country
1943 Jumpmaster
- Sucker Bait
1943 Nazi Spy Posing as Captain
- For Me and My Gal
1942 Mr. Waring
- Grand Central Murder
1942 'Turk' (as Horace McNally)
- Eyes in the Night
1942 Gabriel Hoffman
- Inflation
1942 Joe Smith
- The War Against Mrs. Hadley
1942 Peters
- For the Common Defense!
1942 Lt. Guytan
- The Magic Alphabet
1942 Dr. Christiaan Eijkman
- Dr. Gillespie's New Assistant
1942 Howard Allwinn Young
- Vendetta
1942 Carlo Pozzo di Borgo (as Horace McNally)
- Stage 7
Lt Chris Kellogg
