Len Janson
Known for: Writing
Born: November 17, 1937 in Los Angeles, California, USA
Known for
Showing 8 of 32 titles
5.7
TV
Dumb and Dumber
Writer
1995
Animation
6.3
TV
Isis
Writer
1975
Drama
7.8
TV
Tiny Toon Adventures
Writer
1990
Animation
7.7
TV
The Real Ghostbusters
Writer
1986
Drama
7.0
TV
The Smurfs
Writer
1981
Animation
5.7
TV
The Biskitts
Writer
1983
Animation
6.3
TV
The Love Boat
Writer
1977
Drama
6.5
TV
Little Wizards
Creator
1987
Animation