That '70s Show is a film sitcom.
Donald `` Don '' Stark ( born July 5 , 1954 ) is an American actor known for his role as Bob Pinciotti on the Fox Network sitcom That '70s Show for all eight seasons ( 19982006 ) and fictional Los Angeles Devils owner Oscar Kinkade in VH1 's Hit the Floor . Mila Kunis . She appeared in several television series and commercials , before acquiring her first significant role prior to her 15th birthday , playing Jackie Burkhart on the television series That '70s Show . That '70s Show . The main teenage cast members were Topher Grace , Mila Kunis , Ashton Kutcher , Danny Masterson , Laura Prepon and Wilmer Valderrama .