Acting

—

as McDuff

2021

as Self (voice)

2018		Queen of Rio as Rick
2018		Morbid Montage as Priest
2018		America: Land of the Freeks
2018		Factory Cowboys: Working with Warhol

2017

as Mysterious Director

2015

2014		Carcinoma as Krankenpfleger
2014		My Throat, My Air

2012

2010

as Det. Miles Callahan

2009		The Angel's Melancholia as Katze as Angel
2009		Absolute Evil as Rick

2008

as Uncle Henry / T.V Pastor

2005		Green River Killer as Detective
2005		Zodiac Killer as Simon Vale

2004		Zombie Nation as Dr. Melnitz
2004		My Life is Magic as Himself
2004		Daniel, the Wizard as Johannes "Johnny" Küblböck
2004		Das Stargeschäft- Hinter den Kulissen des schnellen Ruhmes as Self

2002

as Self

2001

as Valentin Reiner

1997

as Angelo / Santano

1996

as Max Braun

1992		Sex Crimes as Davis
1992		Off Season as Professor Malini

1986

as Max Stern

1984

as Jonathan Sage

1983		Boogeyman II as Mickey Lombard
1983		Olivia as The Detective

1980

as Hoffritz

1978

as Max

1977		This Is America as Narrator (voice) (uncredited)
1977		Adolf and Marlene as Joseph Goebbels
1977		Chinese Roulette as Kolbe

1976		Satan’s Brew as Lauf
1976		Shadow of Angels as Der kleine Prinz

1975

as The Composer

1974		Jodeln is ka Sünd
1974		Effi Briest as Major Crampas
1974		Nora Helmer as Krogstad

1973		Tenderness of the Wolves as Hans Grans
1973		Du stirbst nicht allein - Ein deutscher Kriegspfarrer in Paris as Marty

1972		The Sensuous Three
1972		Bremen Freedom as Miltenberger
1972		The Italian Connection as Tressoldi's Hallway Guard

1971		The Ancestress as der Ahnherr
1971		Dreht euch nicht um – der Golem geht rum
1971		Beware of a Holy Whore as Korbinian
1971		Whity as Frank Nicholson
1971		Pioneers in Ingolstadt as Zeck
1971		Rio das Mortes as Autohändler
1971		Haytabo as (uncredited)

1970		Zwei ganze Tage as Er
1970		The American Soldier as Tony le Gitano
1970		Auktion bei Gwendoline as Guy Partridge
1970		Love Is Colder Than Death as Bruno

1969		Your Caresses as Stefan
1969		Tonys Freunde as Manuel
1969		Detective as Sebastian West

1967

as Tutino

1966		Enter Inspector Maigret as René Delfosse
1966		Jan Himp und die kleine Brise as Jan Himp
1966		Maigret Plays Dirty

1965

as Ronnie Kahn

1964		Fanny Hill as Charles
1964		Legende einer Liebe

1963

as Schulkamerad

1962		Only a Woman
1962		Der Marquis von Keith as Hermann Casimir

Directing

—

… Director

2018		Queen of Rio … Director
2018		America: Land of the Freeks … Director
2018		Factory Cowboys: Working with Warhol … Director

2012

… Director

2010

… Director

2009		Manson Family Cult … Director
2009		Killing Marilyn … Director
2009		Nightstalker … Director
2009		Absolute Evil … Director

2008		Killer Nurse … Director
2008		Baseline Killer … Director
2008		Son of Sam … Director
2008		Dungeon Girl … Director

2007		Borderline Cult … Director
2007		The Tomb … Director
2007		Curse of the Zodiac … Director
2007		Diary of a Cannibal … Director

2006		The Raven … Director
2006		Black Dahlia … Director
2006		Killer Pickton … Director

2005		Green River Killer … Director
2005		B.T.K. Killer … Director
2005		Zodiac Killer … Director

2004		Zombie Nation … Director
2004		Daniel, the Wizard … Director

2003

… Director

2001

… Director

1997

… Director

1996		Lethal Orbit … Director
1996		Eva Braun: Her Life with Adolf Hitler … Director

1995		Millenium Day … Director
1995		Star Witness … Director

1994

… Director

1992

… Director

1991

… Director

1989		Cold Heat … Director
1989		Warbirds … Director

1987		Overkill … Director
1987		I.F.O. (Identified Flying Object) … Director
1987		Heaven and Earth … Director

1986

… Director

1984

… Director

1983		The Devonsville Terror … Director
1983		Boogeyman II … Director
1983		BrainWaves … Director
1983		Olivia … Director

1980		The Boogey Man … Director
1980		Blank Generation … Director

1979

… Director

1978

… Director

1977

… Director

1975

… Director

1974		Wachtmeister Rahn … Director
1974		Jodeln is ka Sünd … Director

1973

… Director

1972

… Director

1971

… Director

Writing

—

… Screenplay

2010

… Screenplay

2009		Nightstalker … Writer
2009		Absolute Evil … Writer

2008		Baseline Killer … Writer
2008		Son of Sam … Writer
2008		Dungeon Girl … Writer

2007		Borderline Cult … Writer
2007		The Tomb … Screenplay
2007		Curse of the Zodiac … Writer
2007		Diary of a Cannibal … Writer

2006		Black Dahlia … Writer
2006		Killer Pickton … Writer

2005		Green River Killer … Writer
2005		B.T.K. Killer … Writer
2005		Zodiac Killer … Writer

2004		Zombie Nation … Writer
2004		Daniel, the Wizard … Screenplay

2002

… Writer

2001

… Writer

1997

… Writer

1994

… Writer

1992

… Writer

1991

… Screenplay

1989

… Writer

1987		Overkill … Writer
1987		I.F.O. (Identified Flying Object) … Writer
1987		Heaven and Earth … Writer

1984

… Writer

1983		The Devonsville Terror … Writer
1983		Boogeyman II … Writer
1983		BrainWaves … Writer
1983		Olivia … Screenplay

1980		The Boogey Man … Writer
1980		Blank Generation … Screenplay … Story

1979

… Screenplay

1978

… Writer

1977

… Writer

1975		Con la música a otra parte … Writer
1975		A Second Spring … Screenplay

1974		Wachtmeister Rahn … Writer
1974		Jodeln is ka Sünd … Screenplay

1972

… Writer

1971

… Writer

Production

—

… Producer

2024

… Executive Producer

2009

… Producer

2008		Baseline Killer … Producer
2008		Dungeon Girl … Producer

2007		The Tomb … Producer
2007		Curse of the Zodiac … Producer

2005		Green River Killer … Producer
2005		B.T.K. Killer … Producer
2005		Zodiac Killer … Producer

2004

… Producer

1995		Millenium Day … Producer
1995		Tornado Run … Producer

1994

… Co-Producer

1992

… Producer

1987		Overkill … Producer
1987		Heaven and Earth … Producer

1984

… Producer

1983		The Devonsville Terror … Producer
1983		Boogeyman II … Producer
1983		BrainWaves … Producer
1983		Olivia … Producer

1980

… Producer

1975

… Producer

1974

… Producer

1972

… Producer

1971

… Producer

Camera

2009

… Director of Photography

2008		Baseline Killer … Director of Photography
2008		Dungeon Girl … Director of Photography

2007		The Tomb … Director of Photography
2007		Curse of the Zodiac … Director of Photography

2006

… Director of Photography

2005		Green River Killer … Director of Photography
2005		B.T.K. Killer … Director of Photography
2005		Zodiac Killer … Director of Photography

1983		The Devonsville Terror … Director of Photography
1983		BrainWaves … Director of Photography
1983		Olivia … Director of Photography

Art

2009

… Production Design

2008

… Production Design

2007

… Production Design

2005

… Production Design

2004

… Production Design

Sound

2009

… Music

2008

… Original Music Composer

2007

… Original Music Composer