Biografía no disponible
| Año | Título | Personaje | Valoración |
|---|---|---|---|
| 1993 | Una novia sin igual | Scottish Minister | ★★★☆☆ |
| 1992 | Alerta máxima | Colonel Sarnac | ★★★☆☆ |
| 1984 | A Billion for Boris | Derelict | ★★★☆☆ |
| 1977 | Soldier's Home | Old Man | ☆☆☆☆☆ |
| 1976 | Demon | Fletcher | ★★★☆☆ |
| 1975 | The Night They Robbed Big Bertha's | Professor | ☆☆☆☆☆ |
| 1973 | Almas de metal | Robert Lewis (uncredited) | ★★★☆☆ |
| 1972 | Second Chance | Dr. Strick | ★★★★☆ |
| 1972 | Sólo matan a su dueño | Doctor Peterson | ★★★☆☆ |
| 1972 | Temperatures Rising | Dr. Baker | ★★★☆☆ |
| 1971 | Huida del planeta de los simios | Reporter (uncredited) | ★★★☆☆ |
| 1970 | Los encantos de la gran ciudad | Passenger | ★★★☆☆ |
| 1969 | Mis problemas con las mujeres | Smith | ★★☆☆☆ |
| 1964 | Entre dos fuegos | Lieut. Bender | ★★★☆☆ |
| 1964 | El Rolls Royce amarillo | American Travel Agent (uncredited) | ★★★☆☆ |
| 1964 | La familia Addams | Horatio Bartholomew | ★★★★☆ |
| 1963 | We Joined the Navy | Bill | ★★★☆☆ |
| 1963 | Contigo para siempre | Hulldown | ★★☆☆☆ |
| 1962 | The Amorous Prawn | Sam Goulansky | ★★★☆☆ |
| 1962 | El santo | Sgt. Robert Pargo | ★★★★☆ |
| 1961 | Don't Bother to Knock | American Sailor | ★★★☆☆ |
| 1960 | The Andy Griffith Show | Relief Bus Driver | ★★★★☆ |
| 1959 | La novia de nueve metros | Bank Manager | ★★★☆☆ |
| 1957 | Bombarderos B-52 | Wilbur 'Brooklyn' Stuart | ★★★☆☆ |
| 1957 | Vaya marineros | Lt. Cmdr. Hereford | ★★★☆☆ |
| 1956 | Gigante | Mort 'Pinky' Snythe | ★★★★☆ |
| 1956 | Hold Back The Night | Beany Smith | ★★★☆☆ |
| 1956 | Navy Wife | Oscar | ☆☆☆☆☆ |
| 1955 | Regreso a la Tierra | Joe Wilson | ★★★☆☆ |
| 1955 | Testimonio fatal (En un aprieto) | Boy Honeymooner (uncredited) | ★★★☆☆ |
| 1954 | Retaguardia | 2nd Lt. O'Hirons | ★★★☆☆ |
| 1954 | Johnny Dark | Smitty | ★★★☆☆ |
| 1953 | Jennifer | Orin | ★★★☆☆ |
| 1953 | Campo de batalla | Pvt. Sommers | ★★★☆☆ |
| 1953 | Los caballeros las prefieren rubias | Evans (uncredited) | ★★★★☆ |
| 1952 | Cielo rojo de Montana | Felton (uncredited) | ★★★☆☆ |
| 1952 | Eight Iron Men | Walsh | ★★★☆☆ |
| 1952 | The Lady and the Rocket | Flash | ☆☆☆☆☆ |
| 1952 | Hold That Line | Harold Lane | ★★★☆☆ |
| 1952 | Me siento rejuvenecer | Garage Man (uncredited) | ★★★☆☆ |
| 1952 | Sally and Saint Anne | Henry | ★★★★☆ |
| 1952 | Four Star Playhouse | Pongo | ★★★☆☆ |
| 1951 | El enigma de otro mundo | Lt. Ken 'Mac' Erickson | ★★★☆☆ |
| 1951 | The Blue Veil | Fred Begley Jr. | ★★★☆☆ |
| 1951 | Medalla roja al valor | Fat Union Soldier (uncredited) | ★★★☆☆ |
| 1949 | La novia era él | Motor Pool Mechanic (uncredited) | ★★★☆☆ |
Películas destacadas de Robert Nichols
Estas son las películas más destacadas en las que ha trabajdo:
