Paul Rugg (34)

Freakazoid (voice)

Andrea Martin (48)

Female Neighbor (voice)

Ed Asner (65)

Sgt. Cosgrove (voice)

Joe Leahy

Our Narrator (voice) / Our Announcer (voice)

David Kaufman (34)

Dexter Douglas (voice)

Stephen Furst (40)

Unknown

Stan Freberg (69)

Unknown

Carl Ballantine (77)

Unknown

Mark Hamill (43)

Unknown

Tracy Rowe

Steff (voice)

Kenneth Mars (60)

Dr. Hunterhanker (voice)

Taylor Nix

Oscar (voice)

James Patrick Cronin

Buzz (voice)

Elisabeth Moss (13)

Kathy (voice)

Scott Menville (24)

Toby Danger (voice)

Granville Van Dusen (51)

Dash O'Pepper (voice)

Mary Scheer (32)

Sandra Danger (voice)

David Warner (54)

The Lobe (voice)

Don Messick (69)

Dr. Vernon Danger

John P. McCann (43)

Douglas Douglas (voice) / Hero Boy (voice)

Jess Harnell (31)

Wakko (voice) / Singer (voice)

Googy Gress (37)

Duncan Douglas (voice)

Frank Welker (49)

Mr. Chubbikins (voice) / Dinosaur (voice) / Fred the Guard (voice) / Gen. Toku (voice) / Gulliver (voice) / Big Snake (voice) /

Randy Crenshaw (39)

Attendant #1 (voice) / Waiter #1 (voice)

John Rubinow

Attendant (voice)

Ricardo Montalban (74)

Armondo Guitierrez (voice)

Marc Drotman

Fatman (voice)

Maurice LaMarche (37)

The Brain (voice) / Longhorn (voice) / / Dan (voice)

Larry Cedar (40)

Oblongata (voice) / Chip (voice) / Anton (voice)

Tress MacNeille (44)

Debbie Douglas (voice) / Cobra Queen (voice) / Secretary (voice) / Speaker Voice (voice) / Anchorwoman (voice) / Babeheart (voice) / Mary Beth (voice)