Rosalie Totzie
Debralee Scott
Gabe Kotter
Gabriel Kaplan
Guest Star
Vernee Watson
Julie Kotter
Marcia Strassman
Vinnie Barbarino
John Travolta
Mr. Michael Woodman
John Sylvester White
Judy Borden
Helaine Lembeck*
Todd Ludlow
Dennis Bowen
Juan Epstein
Robert Hegyes
Freddie "Boom Boom" Washington
Lawrence-Hilton Jacobs
Guest Star
Catarina Cellino
Arnold Horshack
Ron Palillo
Angie Globagoski
Melonie Haller
Beau De Labarre
Stephen Shortridge*
Guest Star
Leslie Ackerman
Guest Star
Susan Lanier
Guest Star
Jess Nadelman
Guest Star
Laura Zucker
Carvelli
Charles Fleischer
Guest Star
Hope Summers
Murray
Bob Harcum
Guest Star
Jerry Rannow
Guest Star
Jewel Jaffe Rannow
Beau Shortridge
Stephen Shortridge
Guest Star
Michael Taylor
Guest Star
Bridget Hanley
Guest Star
Jeff Martin
Mary Johnson
Irene Arranga
Guest Star
Arnold Soboloff
Guest Star
James Woods
Guest Star
Eric Suter
Arnold Horshack
Ron Palillo
—
Hope Summers
—
John Astin
—
Lisa Mordente
—
Henry Corden
Harold “Fearless” Feldman
Christopher Stryker