Leonard Penn
- Compleanno:
- 11/13/1907
- Luogo di nascita:
- Springfield, Massachusetts, USA:
 | Spartacus (1960) Garrison Officer (uncredited) |
 | In the Money (1958) Don Clarke |
 | Menace from Outer Space (1956) Ranger Griff |
 | Day of Triumph (1954) Pharisee |
 | The Silver Chalice (1954) Soldier in Banquet Hall (uncredited) |
 | Drum Beat (1954) |
 | A Star Is Born (1954) Train Station Scene Director (uncredited) |
 | The Saracen Blade (1954) Haroun |
 | Silver Needle in the Sky (1954) Griff |
 | Beyond the Moon (1954) Ranger Griff |
 | Fort Algiers (1953) Lt. Picard |
 | Flame of Calcutta (1953) Nadir |
 | Eyes of the Jungle (1953) Gregg |
 | Murder Without Tears (1953) Parker - Defense Attorney |
 | The Lost Planet (1953) Ken Wopler |
 | Savage Mutiny (1953) Emil Bruno |
 | Fangs of the Arctic (1953) Henchman Morgan |
 | No Holds Barred (1952) Pete Taylor |
 | Barbed Wire (1952) Steve Ruttledge |
 | Outlaw Women (1952) Sam Bass |
 | King of the Congo (1952) Boris |
 | South of Caliente (1951) Mexican Captain |
 | Mysterious Island (1951) Capt. Nemo |
 | Stagecoach Driver (1951) George Barnes |
 | Sirocco (1951) Rifat (uncredited) |
 | Wanted: Dead or Alive (1951) Sid Taggart - Gang Leader |
 | Law of the Badlands (1951) Cash Carlton |
 | Silver Raiders (1950) Lance Corbin |
 | Lonely Heart Bandits (1950) Detective Stanley |
 | Gunfire (1950) Dan Simons |
 | Women from Headquarters (1950) Police Officer Allen |
 | Six Gun Mesa (1950) Carson |
 | The Girl from San Lorenzo (1950) Tom McCarger |
 | Range Land (1949) Bart Sheldon |
 | The Pilgrimage Play (1949) Judas Iscariot |
 | Batman and Robin (1949) Carter - Hammil's Valet |
 | Clues to Adventure (1949) Louis XIV (archive footage) (uncredited) |
 | Congo Bill (1948) Andre Bocar |
 | Outlaw Brand (1948) Brent |
 | The Three Musketeers (1948) |
 | Partners of the Sunset (1948) Les |
 | The Dead Don't Dream (1948) Earl Wesson |
 | Hoppy's Holiday (1947) Dunning |
 | The Hat Box Mystery (1947) Stevens, aka John Moreland |
 | Killer at Large (1947) Brent Maddux |
 | I Cover Big Town (1947) Norden Royal |
 | Son of the Guardsman (1946) Mark Crowell |
 | High School Hero (1946) Professor Farrell |
 | Chick Carter, Detective (1946) Vasky |
 | The Way of All Flesh (1940) Joe |
 | The Day the Bookies Wept (1939) Man at Racetrack (uncredited) |
 | Bachelor Mother (1939) Jerome Weiss |
 | Almost a Gentleman (1939) Arthur Gates |
 | Young Dr. Kildare (1938) Albert Foster (uncredited) |
 | Marie Antoinette (1938) Toulan |
 | Woman Against Woman (1938) Fred Barnes |
 | Ladies in Distress (1938) Daniel J. Roman |
 | The Toy Wife (1938) Gaston Vincent |
 | That Mothers Might Live (1938) Semmelweis' Assistant (uncredited) |
 | Judge Hardy's Children (1938) Steve Prentiss |
 | The Face Behind the Mask (1938) Louis XIV, The Man in the Iron Mask (uncredited) |
 | The Girl of the Golden West (1938) Pedro |
 | Arsène Lupin Returns (1938) Reporter (uncredited) |
 | The Ship That Died (1938) Rescue Ship Crewman |
 | Man-Proof (1938) Bob |
 | The Firefly (1937) Etienne |
 | The Women Men Marry (1937) Quinn |
 | Between Two Women (1937) Tony Woolcott |