Gabe Kaplan
Gabe Kotter (23 eps)
John Travolta
Vinnie Barbarino (23 eps)
John Sylvester White
Michael Woodman (23 eps)
Ron Palillo
Arnold Horshack (23 eps)
Robert Hegyes
Juan Epstein (23 eps)
Lawrence Hilton-Jacobs
Freddie Washington (23 eps)
Marcia Strassman
Julie Kotter (23 eps)
Stephen Shortridge
Beau Shortridge (23 eps)
Richard Dimitri
Detective (1 eps)