Professor Wallace Aldrich, PhD
William Keldon (1 episode, 2004)
Линда (1993)
Linda (5.50)
Carl Shepp
Joe Kennedy Jr. - Ages 11-12 (unknown episodes)
John Karlin (1 episode, 2001)
Prince Alexander Randenburg (1 episode, 1992)
Mr. Chase / ... (3 episodes, 1993-1994)
Craig Bannister (2 episodes, 1986-1987)
Will Houston (3 episodes, 1984-1985)
Dr. Christoper Rant (3 episodes, 1984)
Russ Kelton / ... (5 episodes, 1986-1988)
Mr. Green (4 episodes, 1987)
Frank Danton (1 episode, 1986)
Chemistry Teacher (в титрах отсутствует)
Bill Freeman (1 episode, 1978)
Bob Tuttle 1 episode, 2019