John Costello
- Compleanno:
- 08/27/1878
- Luogo di nascita:
- New York City, New York, USA:
 | The Catered Affair (1956) Bartender (uncredited) |
 | The Scarlet Trail (1918) Ezra Chapman |
 | The Princess of Park Row (1917) Niclos |
 | Womanhood, the Glory of the Nation (1917) Prime Minister |
 | Rips and Rushes (1917) Girlie's Old Man |
 | Big Bluffs and Bowling Balls (1917) The Father |
| | Jolts and Jewelry (1917) Pa Glitters |
 | The Shop Girl (1916) Peter Rolls Sr |
 | The Redemption of Dave Darcey (1916) Mr. Benton |
 | Lights of New York (1916) |
| | The Little Trespasser (1916) Montgomery - the Uncle |
| | The Mystery of the Empty Room (1915) Mr. Harris - Ruth's Father |
 | Snatched from a Burning Death (1915) Luigi |
 | The Moonshine Maid and the Man (1914) Job - Nancy's Father |
| | Within an Ace (1914) Edwin Forrester |
| | The Love of Pierre Larosse (1914) Dr. Coudert - Jeanne's Father |
| | Regan's Daughter (1914) |