SATURDAY NIGHT FEVER

What do the cast members of Nickelodeon's Roundhouse have in common? Almost nothing, except enthusiasm for their show. Five of the leading new ready-for- prime-time players sound off: JULENE RENEE, 22 *LAST PROJECT: ''I did a movie in Russia called Dance Macabre. It stars Robert Englund (Freddy Krueger in the Nightmare on Elm Street movies). He kills me. I'm dead.'' *FAVORITE BOOK: Gay Science by Friedrich Nietzsche. *ADVICE TO KIDS: ''Always believe in yourself no matter what anyone else tells you.'' *SILLIEST THING ASKED TO DO ON THE SHOW: ''Playing Grandma.''

DOMINIC LUCERO, 24 *LAST PROJECT: ''Working with Michael Jackson on the tour that's out now, as a dancer and helping to choreograph.'' *FAVORITE BOOK: ''I read the Bible a lot.'' ADVICE TO KIDS: ''Take one day at a time.'' *SILLIEST THING ASKED TO DO ON THE SHOW: ''Throw up on my Mommy.''

CRYSTAL LEWIS, 22 *LAST PROJECT: ''I've recorded my fifth gospel album.'' *FAVORITE BOOK: Piercing the Darkness by Frank E. Peretti. *ADVICE TO KIDS: ''Jesus loves them.'' *SILLIEST THING ASKED TO DO ON THE SHOW: ''Playing a Valley Girl.''

ALFRED CARR JR., 23 *LAST PROJECT: ''Touring with (hip-hop artist) Timmy T.'' *FAVORITE BOOK: ''Any in the Dick and Jane series.'' *ADVICE TO KIDS: ''Stay in school.'' *SILLIEST THING TO DO ON THE SHOW: ''Playing a goofy shop teacher.''

JOHN CRANE, 30 *LAST PROJECT: ''A movie called Body Waves, which is probably going straight to video. It was with Larry Linville from M*A*S*H.'' *FAVORITE BOOK: The Golden Skits of Wing- Commander Muriel Volestrangler by John Cleese.'' *ADVICE TO KIDS: ''Stay in school.'' *SILLIEST THING ASKED TO DO ON THE SHOW: ''I've had to eat mayonnaise.''