James Arness averages 6.59 across 10 rated films as an actor, ahead of John Wayne at 6.47.
Dot size shows IMDb votes. Films with fewer than 1,000 votes sit on the baseline.
| Big Jim McLain | 1952 | 5.2 | as Jim McLain | as Mal Baxter |
 Hondo | 1953 | 7.0 | as Hondo Lane | as Lennie |
| Island in the Sky | 1953 | 6.8 | as Capt. Dooley, Producer | as Mac McMullen |
| The Sea Chase | 1955 | 6.4 | as Capt. Karl Ehrlich | as Schlieter |
