Glenn Cannon

Glenn Cannon (November 21, 1932 – April 20, 2013) was an American actor and educator best known for his roles on Hawaii Five-O and Magnum, P.I. He also appeared on Lost in a pair of different roles.

Cannon's career began back to the 1950s with roles in shows like Alfred Hitchcock Presents, The Outer Limits and Combat!. On Magnum, P.I., Cannon was featured as Dr. Ibold, while on Hawaii Five-O, he played Attorney General John Manicote. In the mid-1960s he taught elementary school in Los Angeles at Lanai Road School in Encino, California.

In recent years, he served as president of the Hawaii chapter of the Screen Actors Guild and its successor group, SAG-AFTRA.

Cannon was a Professor of Theatre at the University of Hawaiʻi at Mānoa and also co-director of the UH-Manoa Cinematic and Digital Arts program.

Partial filmography

 * Cop Hater (1958) - Rip, Gang Leader
 * Alfred Hitchcock Presents (1961) (Season 7 Episode 4: "Cop for a Day") - Davey
 * Mad Dog Coll (1961) - Harry
 * Hawaii Five-O (1970–1977, TV Series) (33 episodes) - John Manicote (1972–1977) and other characters (Stone / Colonel Franklin / Professor Whitney Davis / Floyd F.X. O'Neal / Carlson) (1970–1971)
 * Magnum, P.I. (1981–1988, TV Series) (14 episodes) - Dr. Ibold / Dr. Bernard Kessler
 * Picture Bride (1994) - Mer. Pieper