Tisha Campbell says she learned a long time ... having gotten her start as a child on an episode of “The Big Blue Marble,” which helped her nab appearances on the theater stage, commercials ...

Big Blue Marble was a half-hour children's television ... Some children featured on the show who went on to high-profile careers are: Tisha Campbell, Fran Jolie and Kevin Clash.

Tisha Campbell-Martin (born Tisha Michelle Campbell ... in a 1974 episode of the PBS show The Big Blue Marble. As a child, she competed in, and won, many talent shows, going on to appear in ...