Theodore Roberts was an American film and stage actor. On stage in the 1890s he acted with Fanny Davenport in her play called Gismonda and later in The Bird of Paradise with actress Laurette Taylor. He started his film career in the 1910s in Hollywood, and was often associated in the productions of Cecil B. DeMille. He was buried in Hollywood Forever Cemetery.
He was a cousin of the stage actress Florence Roberts.