| 角色 | 演員 | 備註 |
| Zachary 'Zack' Morris (86 episodes, 1989-1993) | 馬克-保羅·戈塞拉（Mark-Paul Gosselaar） |
|
| Albert Clifford 'A.C.' Slater (86 episodes, 1989-1993) | 馬里奧·洛佩茲（Mario López） |
|
| Samuel 'Screech' Powers (86 episodes, 1989-1993) | 達斯汀·戴蒙德（Dustin Diamond） |
|
| Lisa Turtle (86 episodes, 1989-1993) | Lark Voorhies |
|
| Jessica 'Jessie' Myrtle Spano (75 episodes, 1989-1993) | 伊莉莎白·伯克利（Elizabeth Berkley） |
|
| Kelly Kapowski (74 episodes, 1989-1993) | 蒂凡妮·西森（Tiffani Thiessen） |
|
| Mr. Richard Belding (72 episodes, 1989-1993) | Dennis Haskins |
|
| Max (21 episodes, 1989-1992) | Ed Alonzo |
|
| Tori Scott (10 episodes, 1992-1993) | Leanna Creel |
|
| Ox (9 episodes, 1991-1992) | Troy Fromin |
|
| Student (8 episodes, 1990-1991) | Angella Kaye |
|
| Leon Carosi (6 episodes, 1991) | 埃林·薩貝拉（Ernie Sabella） |
|
| Stacey Carosi (6 episodes, 1991) | 麗亞·雷米尼（Leah Remini） |
|
| Mr. Tuttle (5 episodes, 1989-1992) | Jack Angeles |
|
| Ginger (5 episodes, 1992) | 布里吉特·威爾遜（Bridgette Wilson） |
|
| Mr. Dewey (4 episodes, 1989-1992) | Patrick Thomas O'B.. |
|
| Miss Simpson (4 episodes, 1989-1991) | Pamela Kosh |
|
| Student (4 episodes, 1990-1991) | 斯考特·沃夫（Scott Wolf） |
|
| Mrs. Melanie Morris (3 episodes, 1991) | Melody Rogers |
|
| Jeffrey Hunter (3 episodes, 1991) | 派屈克·茂頓（Patrick Muldoon） |
|
| Miss Wentworth (3 episodes, 1989-1991) | 卡洛兒·勞倫斯（Carol Lawrence） |
|
| Violet Anne Bickerstaff (3 episodes, 1990-1991) | 托蕊·斯培林（Tori Spelling） |
|
| Kevin the Robot (3 episodes, 1989-1992) | Mike Lavelle |
|
| Edgar Poindexter (3 episodes, 1989) | William Joseph Bar.. |
|
| Moose (3 episodes, 1989-1992) | Mark Clayman |
|
| Sylvester (3 episodes, 1992-1993) | Ryan Holihan |
|
| Louise (3 episodes, 1990-1992) | Lara Lyon |
|
| 'Big' Pete Stonebreaker (3 episodes, 1991-1993) | Bryan Cooper |
|
| Larry (3 episodes, 1991-1992) | Kurt Krakowian |
|
| Franklin Finkley (3 episodes, 1991) | Michael Warwick |
|
| Mr. Spano (2 episodes, 1991) | George McDaniel |
|
| Frank Benton (2 episodes, 1991) | Stephen Mendel |
|
| Derek Morris (2 episodes, 1990-1992) | John Sanderford |
|
| James (2 episodes, 1990-1991) | Mark Blankfield |
|
| Dr. Turtle (2 episodes, 1991-1992) | Susan Beaubian |
|
| Leslie (2 episodes, 1991) | Barbra Brighton |
|
| Eric Tramer (2 episodes, 1991) | Joshua Hoffman |
|
| Major Slater (2 episodes, 1989-1992) | Gerald Castillo |
|
| Laura Benton (2 episodes, 1991) | 詹妮佛·麥考姆（Jennifer McComb） |
|
| Mr. Breskin (2 episodes, 1992) | Vaughn Armstrong |
|
| Himself (2 episodes, 1989-1991) | Casey Kasem |
|
| Mr. Sachs (2 episodes, 1991) | Bernie Hiller |
|
| Christina (2 episodes, 1991) | Eva Loseth |
|
| Ronald Geekman (2 episodes, 1990-1992) | Richard Israel |
|
| Coach Sonski (2 episodes, 1991) | Monty Hoffman |
|
| Mr. Moody (2 episodes, 1991) | Lew Horn |
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| Rhonda Robistelli (2 episodes, 1989) | Kirsten Holmquist |
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| Maxwell Nerdstrom (2 episodes, 1990-1992) | Jeffrey Asch |
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