Orme Caldara (born Frank Slocum;[1] February 9, 1875 – October 21, 1925)[2][3][4] was an American stage actor.

He often appeared with Cowl in the theatre co-starring with her in several influential Broadway plays, including Within the Law (1912–1913), Common Clay (1915–1916), Lilac Time (1917), and Smilin' Through (1919–1920).

Caldara contracted tuberculosis in the early 1920s, and his ailing health forced him to retire from his stage career.

Caldara was born Frank Slocum on February 9, 1875 in Empire City, Oregon.

[5] Caldara was working as a stage actor by 1898, when he was a leading member of the Lorraine Hollis Company.