Robert Riettii and Paul Müller have appeared together in 5 films between 1956 and 1973, with a combined box office of $30 million. Every shared film with year, roles and gross, plus who else each works with most.
| Year | Film | Box office |
|---|---|---|
| 1956 | Checkpoint | |
| 1961 | El Cid | $26.6 million |
| 1969 | Monte Carlo or Bust | $1.1 million |
| 1972 | Treasure Island | |
| 1973 | Hitler: The Last Ten Days | $2.2 million |
Robert Riettii also often with: Robert Rietti (18), Geoffrey Bayldon (7), Bernard Lee (6), Burt Kwouk (6), James Robertson Justice (6)
Paul Müller also often with: Jesús Franco (6), Rosalba Neri (6), Maria Rohm (5), Carlo Giustini (4), Klaus Kinski (4)