Steffen Schlachtenhaufen
Writing
Biography
No overview available.
Acting History
2019
The Mandela Effect
Producer
The Mandela Effect
Writer
2018
Danger One
Writer
2013
Would You Rather
Screenplay
2008
Life After People
Visual Effects Producer
2002
National Lampoon's Van Wilder
as Student Bartender (uncredited)
National Lampoon's Van Wilder
Production Assistant
1974
NOVA
TVProducer's Assistant