Who had the longest career with the dodgers?

Answer 1

Zack Wheat and Bill Russell.

Wheat played 18 seasons with the franchise (1909-1926) when the team was located in Brooklyn and known, alternately, as the Superbas, Dodgers, and Robins. Wheat played 2322 games with the franchise and is the all time franchise leader in games played.

Russell played 18 seasons with the Los Angeles Dodgers between 1969-1986. He played in 2181 games and is second, all time, in games played for the franchise.