James Gregory (December 23, 1911 – September 16, 2002)[1][2] was an American character actor who played roles such as Schaffer in Al Capone (1959), the McCarthy-like Sen. John Iselin in The Manchurian Candidate (1962), the audacious General Ursus in Beneath the Planet of the Apes (1970), and crusty Inspector Frank Luger in the television sitcom Barney Miller (1975–1982).

[2] His early acting work included army training films; one such appearance is excerpted in The Atomic Café (1982).

[citation needed] Gregory was the lead in The Lawless Years, a 1920s-era crime drama which aired 45 episodes on NBC.

[5]: 588 After his appearance as the McCarthyistic Senator Iselin in The Manchurian Candidate (1962), Gregory starred in the film PT 109 (1963) with Cliff Robertson.

He played Dean Martin's spy boss MacDonald, in the Matt Helm film series; in the original Star Trek series in the episode "Dagger of the Mind" (1966), as Dr. Tristan Adams; and in the Elvis Presley film Clambake (1967).