Biografía no disponible
| Año | Título | Personaje | Valoración |
|---|---|---|---|
| 1982 | El coche fantástico | Sam Clifford | ★★★★☆ |
| 1979 | Los más torpes del oeste 2 | Sergeant Slaughter | ★★★☆☆ |
| 1977 | The San Pedro Beach Bums | ★★★☆☆ | |
| 1976 | Zebra Force | Charlie DeSantis | ★★☆☆☆ |
| 1976 | Louis Armstrong - Chicago Style | ☆☆☆☆☆ | |
| 1976 | C.P.O. Sharkey | Captain Buckner | ★★★☆☆ |
| 1976 | Hombre rico, hombre pobre II | Jake Logan | ★★★★☆ |
| 1975 | Adventures of the Queen | Riley | ★★☆☆☆ |
| 1975 | Switch | Lt. Modeer | ★★★☆☆ |
| 1974 | Manos sucias sobre la ciudad | Desk Sergeant | ★★★☆☆ |
| 1974 | Black Eye | Bowen | ★★☆☆☆ |
| 1974 | Wonder Woman | Colonel Henkins | ★★☆☆☆ |
| 1974 | Herbie, Un Volante Loco | Traffic Commissioner | ★★★☆☆ |
| 1974 | Chico and the Man | ★★★☆☆ | |
| 1974 | Run, Joe, Run | ★★★☆☆ | |
| 1973 | Pisando Fuerte | Arno Purdy | ★★★☆☆ |
| 1973 | The No Mercy Man | Mark Hand | ★★★☆☆ |
| 1973 | Kojak | Egan | ★★★☆☆ |
| 1972 | The Paul Lynde Show | ★★★☆☆ | |
| 1972 | The Waltons | Clyde "Preacher" Harroway | ★★★★☆ |
| 1972 | Emergency! | ★★★★☆ | |
| 1972 | Temperatures Rising | Jerome | ★★★☆☆ |
| 1971 | Cannon | ★★★☆☆ | |
| 1971 | Los dos mosqueteros | ★★★☆☆ | |
| 1970 | The Odd Couple | Splint | ★★★★☆ |
| 1969 | The Bill Cosby Show | Mr. Perry | ★★☆☆☆ |
| 1969 | The Courtship of Eddie's Father | Xander Malloy | ★★★☆☆ |
| 1968 | El Estrangulador De Boston | Det. Capt. Ed Willis | ★★★☆☆ |
| 1968 | Comando secreto | MP Sergeant | ★★★☆☆ |
| 1968 | Now You See It, Now You Don't | Haggarty | ☆☆☆☆☆ |
| 1968 | Patrulla juvenil | ★★★☆☆ | |
| 1968 | Lancer | ★★☆☆☆ | |
| 1968 | Mayberry R.F.D. | Joe Carter | ★★★☆☆ |
| 1967 | La cabalgada de los malditos | Cpl. Paddy Darling | ★★☆☆☆ |
| 1967 | El gran Chaparral | Captain | ★★★☆☆ |
| 1967 | Cimarron | ★★☆☆☆ | |
| 1967 | Mr. Terrific | Blackjack Clayton | ★★★★☆ |
| 1967 | Los invasores | Riley | ★★★☆☆ |
| 1966 | That Girl | ★★★☆☆ | |
| 1966 | El avispón verde | Steve Gant | ★★★★☆ |
| 1965 | F Troop | ★★★☆☆ | |
| 1965 | Mister Roberts | Captain John Morton | ★★★★☆ |
| 1965 | Mi bella genio | General Hamilton | ★★★★☆ |
| 1964 | Una trompeta lejana | Sgt. Fry | ★★★☆☆ |
| 1964 | Embrujada | ★★★★☆ | |
| 1964 | Daniel Boone | Simon Foss | ★★★☆☆ |
| 1963 | Kraft Suspense Theatre | Sgt. Wade Muller | ★★★☆☆ |
| 1963 | The Great Adventure | Tucker | ☆☆☆☆☆ |
| 1963 | Kraft Suspense Theatre | Lester | ★★★☆☆ |
| 1962 | El virginiano | Kyle Jackson | ★★★☆☆ |
| 1962 | The Gallant Men | ★★★☆☆ | |
| 1962 | La hora de Alfred Hitchcock | Detective Barker | ★★★★☆ |
| 1961 | Bus Stop | ☆☆☆☆☆ | |
| 1960 | Una mujer marcada | State Trooper (uncredited) | ★★★☆☆ |
| 1960 | The Andy Griffith Show | Captain Dewhurst | ★★★★☆ |
| 1960 | My Three Sons | ★★★☆☆ | |
| 1960 | Route 66 | ★★★☆☆ | |
| 1959 | Rawhide | Clanton | ★★★★☆ |
| 1959 | Rawhide | Daws | ★★★★☆ |
| 1959 | Rawhide | Tebbetts | ★★★★☆ |
| 1958 | Naked City | Solid | ★★★☆☆ |
| 1958 | 77 Sunset Strip | ★★★☆☆ | |
| 1958 | Naked City | Police Officer #2 | ★★★☆☆ |
| 1955 | Gunsmoke | Greer | ★★★☆☆ |
| 1955 | Gunsmoke | Coor | ★★★☆☆ |
| 1955 | Gunsmoke | Noah Haimes | ★★★☆☆ |
Películas destacadas de Richard X. Slattery
Estas son las películas más destacadas en las que ha trabajdo:
Series
Las series más importantes en las que ha participado son las siguientes:
