The Ruining

Jason X

Twice in a Lifetime

eXistenZ

Pacific Blue

Waterworld

Naked Lunch

Friday the 13th: The Series

984: Prisoner of the Future

Scanners

Prom Night

The Brood

One Night Stand

Rabid

Partners

It Seemed Like a Good Idea at the Time

125 Rooms of Comfort

Caressed

Robert A. Silverman (born February 24, 1938) is a Canadian actor cast five times by writer/director David Cronenberg. He is sometimes credited as Bob Silverman or Robert Silverman. He has also acted in the Friday the 13th: The Series episodes "Hate On Your Dial" and "Faith Healer" (directed by Cronenberg), and acted with him in Jason X.
Silverman was a Genie Award nominee for Best Supporting Actor at the 1st Genie Awards in 1980 for The Brood, and was nominated in 2003 for a Gemini Award for Best Performance by an Actor in a Guest Role in a Dramatic Series in The Eleventh Hour.
Silverman has been cast by Cronenberg in the following films:

eXistenZ (1999) as D'Arcy Nader
Naked Lunch (1991) as Hans
Scanners (1981) as Benjamin Pierce
The Brood (1979) as Jan Hartog
Rabid (1977) as Man In Hospital