William Harrigan (March 27, 1894 – February 1, 1966) was an American actor who performed in Hollywood during the 1930s and 1940s and on stage.

[3] Harrigan first performed on stage when he was 5 years old, joining his father in a production of Reilly and the 400 at the Garrick Theater.

[2] Following his school years, Harrigan acted in New York theaters in plays that included Bought and Paid For and Springtime.

[5] He created the role of the captain in the Broadway hit Mister Roberts, which his brother-in-law Joshua Logan co-wrote and directed.

[6] Films in which he appeared included Born Reckless, Cabaret, The Invisible Man, and Nix on Dames.