R.J. 罗伯森，R.J. Robertson was born on October 24, 1946 in Altadena, California, USA as Randolph James Robertson. He was a writer and actor, known for Beastmaster 2: Through the Portal of Time (1991), Forbidden World (1982) and Not of This Earth (1988). He died on April 8, 1994 in Los Angeles, California.