Top Sergeant Mulligan is a 1928 American silent comedy film directed by James P. Hogan and starring Donald Keith, Lila Lee and Wesley Barry.
During World War I a vaudevillian Mickey Neilan enlists in the army and encounters the domineering Sergeant Mulligan, who is a love rival for Neilan's former stage partner. In France Mickey is captured while searching for a Germany spy and is taken to Berlin.