
Robert A. Silverman is a Canadian actor cast five times by writer/director David Cronenberg. He is sometimes credited as Bob Silverman or Robert Silverman. Wikipedia

Waterworld
1995 · as Hydroholic

Jason X
2001 · as Dieter Perez

eXistenZ
1999 · as D'Arcy Nader

Prom Night
1980 · as Mr. Sykes

Naked Lunch
1991 · as Hans

The Brood
1979 · as Jan Hartog

Scanners
1981 · as Benjamin Pierce

The Ruining
2004 · as Henry

Rabid
1977 · as Man in Hospital

It Seemed Like a Good Idea at the Time
1975 · as Lawyer

Winter Kept Us Warm
1965

One Night Stand
1978 · as Nick

Sweet Substitute
1964 · as Al

Partners
1976 · as Hayes

984: Prisoner of the Future
1982 · as Prisoner

125 Rooms of Comfort
1974