Robert Riettii and John Clark have appeared together in 3 films between 1969 and 1971. Every shared film with year, roles and gross, plus who else each works with most.
| Year | Film | Box office |
|---|---|---|
| 1969 | Land Raiders | |
| 1971 | A Town Called Bastard | |
| 1971 | Captain Apache |
Robert Riettii also often with: Robert Rietti (18), Geoffrey Bayldon (7), Bernard Lee (6), Burt Kwouk (6), James Robertson Justice (6)
John Clark also often with: Charles Stalmaker (5), Dan van Husen (3), Fernando Rey (3), Gustavo Rojo (3), Julián Mateos (3)