All This and Mary Too

All This and Mary Too is the 22nd episode of Season 6 of Beverly Hills, 90210.

Synopsis
Kelly enters rehab and gets a mysterious roommate, Tara. Susan and Brandon ski into trouble while racing outside patrolled boundaries. Steve and Clare set up dates for David with two blondes named Mary. Meanwhile Colin and Valerie, both freshly dumped, keep each other company. Donna investigates a new cardiac procedure that could help Joe.

Starring

 * Jason Priestley as Brandon Walsh
 * Jennie Garth as Kelly Taylor
 * Ian Ziering as Steve Sanders
 * Brian Austin Green as David Silver
 * Tori Spelling as Donna Martin
 * Tiffani Thiessen as Valerie Malone
 * Joe E. Tata as Nat Bussichio
 * Kathleen Robertson as Clare Arnold


 * Special Guest Stars
 * Jason Wiles as Colin Robbins
 * Emma Caulfield as Susan Keats


 * Recurring cast
 * Cameron Bancroft as Joe Bradley
 * Ann Gillespie as Jackie Taylor
 * Michael Durrell as Dr. John Martin
 * Paige Moss as Tara Marks


 * Guest starring
 * Rebekah Carlton as Mary #1
 * Tava Smiley as Mary #2
 * Rachel Davies as Dr. Browning

Trivia

 * Colin and Valerie get together