Bob Callahan
- Compleanno:
- 11/06/1895
- Luogo di nascita:
- Lima, Ohio, USA:
 | She's Dangerous (1937) Male Switchboard Operator |
 | Grips, Grunts and Groans (1937) (uncredited) |
 | Stage Frights (1935) |
 | Pop Goes the Easel (1935) Art Student (uncredited) |
 | Horses' Collars (1935) Drunk (uncredited) |
 | Roast-Beef and Movies (1934) Bogus Movie Producer |
 | Helpmates (1932) Messenger |
 | Wild Company (1930) Eddie Graham |
 | The Happy Hottentots (1930) Joe's Partner / Reese Brother (uncredited) |