Robert A. Silverman

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
Cast

eXistenZ
D'Arcy Nader

Naked Lunch
Hans

Scanners
Benjamin Pierce

The Brood
Jan Hartog

125 Rooms of Comfort
Unknown

Rabid
Man in Hospital

One Night Stand
Nick

The Ruining
Henry

Partners
Hayes

Jason X
Dieter Perez

Prom Night
Mr. Sykes

984: Prisoner of the Future
Prisoner

Caressed
Al

Waterworld
Hydroholic

It Seemed Like a Good Idea at the Time
Lawyer

Winter Kept Us Warm
Unknown