Complex sentence: He was the director of the 1993 TV series and 1999 movie "Dr. Quinn, Medicine Woman" which starred his wife, Jane Seymour, who he met while filming "Sunstroke" in 1993, in which she starred and was a co-executive producer with Keach.
Split into simpler sentences: He was the director of the 1993 TV series and 1999 movie "Dr. Quinn, Medicine Woman" which starred his wife, Jane Seymour. He met wife Seymour while filming "Sunstroke" in 1993, in which she starred and was a co-executive producer with Keach.