Filmography
| Role | Title | Year | Character |
|---|---|---|---|
| Actor | How to Marry a Millionaire | 1953 | J.D. Hanley |
| Actor | The Thin Man | 1934 | Nick Charles |
| Actor | My Man Godfrey | 1936 | Godfrey |
| Actor | After the Thin Man | 1936 | Nick Charles |
| Actor | The Great Ziegfeld | 1936 | Florenz Ziegfeld Jr. |
| Actor | The Thin Man Goes Home | 1945 | Nick Charles |
| Actor | Shadow of the Thin Man | 1941 | Nick Charles |
| Actor | Ziegfeld Follies | 1945 | Flo Ziegfeld |
| Actor | Another Thin Man | 1939 | Nick Charles |
| Actor | Mister Roberts | 1955 | Lt. 'Doc' |
| Actor | Song of the Thin Man | 1947 | Nick Charles |
| Actor | Libeled Lady | 1936 | William 'Bill' Stephens Chandler |
| Actor | I Love You Again | 1940 | Larry Wilson aka George Carey |
| Actor | Life with Father | 1947 | Clarence Day Sr. |
| Actor | The Great Gatsby | 1926 | George Wilson |
| Actor | Tin Gods | 1926 | Tony Santelli |
| Actor | Manhattan Melodrama | 1934 | Jim Wade |
| Actor | Mr. Peabody and the Mermaid | 1948 | Mr. Peabody |
| Actor | The Last Command | 1928 | Lev Andreyev |
| Actor | American Anarchist | 2016 | Himself |
| Actor | That's Entertainment, Part II | 1976 | (archive footage) |
| Actor | Dancing in the Dark | 1949 | Emery Slade |
| Actor | Sherlock Holmes | 1922 | Forman Wells |