Biografía no disponible
| Año | Título | Personaje | Valoración |
|---|---|---|---|
| 2018 | Locked Alone | Ethan | ★☆☆☆☆ |
| 1959 | Sangre en primera página | Dr. Kemper (uncredited) | ★★★☆☆ |
| 1958 | Mickey Spillane's Mike Hammer | Doc Karnes | ★★★☆☆ |
| 1957 | M Squad | Tom Booth | ★★★☆☆ |
| 1957 | Wagon Train | Buzz | ★★★☆☆ |
| 1956 | The Proud and Profane | Bob Kilpatrick | ★★★☆☆ |
| 1956 | La gran prueba | Major Harvey | ★★★☆☆ |
| 1956 | The Come On | Detective Capt. Getz | ★★★☆☆ |
| 1956 | Marcado por el odio | Edward Eagan | ★★★★☆ |
| 1955 | Patterns | Mr. Gordon | ☆☆☆☆☆ |
| 1955 | Alfred Hitchcock presenta | Mr. Nash | ★★★★☆ |
| 1955 | Alfred Hitchcock presenta | Lt. Shea | ★★★★☆ |
| 1955 | Alfred Hitchcock presenta | Dr. Allen | ★★★★☆ |
| 1955 | Alfred Hitchcock presenta | Sam Kern | ★★★★☆ |
| 1955 | Alfred Hitchcock presenta | Physician | ★★★★☆ |
| 1955 | Alfred Hitchcock presenta | Dr. Cooper | ★★★★☆ |
| 1948 | Studio One | Sgt. Wally Shane | ★★☆☆☆ |
| 1946 | Revolución en alta mar | Hayes | ★★★☆☆ |
| 1946 | De hoy en adelante | Mr. Brewer | ★★★☆☆ |
| 1946 | Miss Susie Slagle's | Dr. Boyd | ★★★★★ |
| 1945 | The Hidden Eye | Gibbs - Chauffeur | ★★★★☆ |
| 1935 | Jalna | Piers Whiteoaks | ★★☆☆☆ |
| 1934 | Upperworld (1934) | Rocklen | ★★★☆☆ |
| 1934 | Heat Lightning | Steve Laird | ★★★☆☆ |
| 1934 | Let's Try Again | Paul Milburn | ★☆☆☆☆ |
| 1934 | Blind Date | Tom | ★★★★☆ |
| 1934 | A Modern Hero | Elmer Croy | ★★★★☆ |
| 1934 | Gambling | Ray Braddock | ★★★☆☆ |
| 1934 | Now I'll Tell | Joe | ★★☆☆☆ |
| 1933 | The Sphinx | Jack Burton | ★★☆☆☆ |
| 1933 | The Working Man | Tommy Hartland | ★★★☆☆ |
| 1933 | Ace of Aces | Foster 'Froggy' Kelley | ★★★☆☆ |
| 1933 | From Headquarters | Jack Winton | ★★★☆☆ |
| 1933 | Voltaire | François | ★★★☆☆ |
| 1933 | El mundo cambia | Paul Nordholm | ★★☆☆☆ |
Películas destacadas de Theodore Newton
Estas son las películas más destacadas en las que ha trabajdo:
