"[4] In 1986, he played Officer Stanley, the out-of-costume McGruff the Crime Dog, in Webster (TV series).
He portrayed Howard Crittendon in "Chimera," the sixteenth episode of the seventh season of the science fiction television series The X-Files, which aired in 2000.
Hoyes played Thompson in the Lord John Marbury episode of The West Wing during its first season.
In 1989, Hoyes gained recognition for his role as Swede Risberg in the classic film Field of Dreams.
The film is a sports drama centered around a former basketball star who, after being wrongfully imprisoned, aims to reclaim his life and dreams by participating in a high-stakes slam dunk competition.