John Gowans and Billy Van Zandt have appeared together in 1 film in 1979, with a combined box office of $139 million. Every shared film with year, roles and gross, plus who else each works with most.
| Year | Film | Box office |
|---|---|---|
| 1979 | Star Trek: The Motion Picture | $139 million |
John Gowans also often with: Adrian Delcan (1), Alden Ehrenreich (1), Bernice Nicholson (1), Bjo Trimble (1), Brian McNamara (1)
Billy Van Zandt also often with: Adrienne Barbeau (1), Ann Dusenberry (1), Barry Coe (1), Bjo Trimble (1), Brendan Ward (1)