Osamu Kasai has a Director credit on Dragon Ball GT.
director
TV anime / 1996
episode director (ep 46)
TV anime / 2002
TV anime / 1983
assistant director
TV anime / 1966
TV anime / 1984
episode director (eps 6, 13, 20)
TV anime / 1971
episode director
Movie / 1976
TV anime / 1985
Special / 1980
TV anime / 1988
TV anime / 1972
chief director
TV anime / 1989
Movie / 1990
TV anime / 1973
TV anime / 1982
chief animation director
Movie / 1986
Movie / 1998