Nicole Sullivan

Joan of Arc (voice)

13 eps

Neil Flynn

Julius Caesar / Carl (voice) / Julius Caesar (voice) / Carl (voice) / Snowflake Jake / Julius Caesar / Carl (voice / Buddy Holly (voice) / Julius Caesar / Tux Guy / Moses (voice) / E-CyboPooch / Pirate / Rich Man / Moses (voice) / Glen the Janitor / Julius Caesar (voice) / Gandhi's Foster Father / Zoo Worker (voice)

12 eps

Donald Faison

Toots (voice) / Toots / Wally (voice) / George Washington Carver (voice) / George Washington Carver / Wally (voice) / Martin Luther King Jr. / Toots (voice) / X-Stream Bob / Wally (voice) / Jimi Hendrix / Wally (voice) / Inmate (voice) / Toots / King Kwanzaa / Wally / Guy in Commercial (voice)

12 eps

Andy Dick

Mr. Sheepman (voice) / Mr. Sheepman / Van Gogh / Police Officer (voice) / Mr. Sheepman / Thomas Edison / Van Gogh / Police Officer (voice) / Van Gogh (voice) / Mr. Sheepman / Thomas Edison / Sexual Education Officer (voice) / Police Officer (voice)

7 eps

Bill Lawrence

The Shadowy Figure (voice) (uncredited)

7 eps

Judah Miller

Scangrade (voice) / Dreidelstein (voice) / Inmate (voice)

4 eps

Murray Miller

Catherine the Great (voice) / Gene Kelly (voice) (uncredited)

4 eps

Debra Wilson

Reporter (voice) / Girl in Commercial (voice) / Harriet Tubman / Eva Peron (voice)

3 eps

Sarah Chalke

Marie Antoinette (voice) / X-Stream Erin (voice)

3 eps

Zach Braff

Paul Revere (voice) / X-Stream Mike (voice)

2 eps