Richard O'Callaghan Collaberations
| Film Title | Role | Collaboration Count |
|---|---|---|
| Charles Hawtrey | Actor | 2 |
| Bernard Bresslaw | Actor | 2 |
| Hattie Jacques | Actor | 2 |
| Sidney James | Actor | 2 |
| Jacki Piper | Actor | 2 |
| Eric Rogers | Composer | 2 |
| Peter Rogers | Producer | 2 |
| Alfred Roome | Editor | 2 |
| Talbot Rothwell | Writer | 2 |
| Joan Sims | Actor | 2 |
| Ernest Steward | Cinematographer | 2 |
| Gerald Thomas | Director | 2 |
| Kenneth Williams | Actor | 2 |
| Imogen Hassall | Actor | 1 |
| Terry Scott | Actor | 1 |
| Kenneth Cope | Actor | 1 |
| Patsy Rowlands | Actor | 1 |
| John Hurt | Actor | 1 |
| Denholm Elliott | Actor | 1 |
| Richard Briers | Actor | 1 |
| Richard Adams | Writer | 1 |
| John Bennett | Actor | 1 |
| Simon Cadell | Actor | 1 |
| Michael Graham Cox | Actor | 1 |
| Roy Kinnear | Actor | 1 |
| Angela Morley | Composer | 1 |
| Terry Rawlings | Editor | 1 |
| Ralph Richardson | Actor | 1 |
| Terence Rigby | Actor | 1 |
| Martin Rosen | Director, Writer, Producer | 1 |