Loni Anderson

Host

Howard Hesseman

Dr. Johnny Fever

Brad Anderson

Self - Cartoonist

Dik Browne

Himself - Cartoonist

Keene Curtis

Himself

Cathy Guisewite

Herself - Cartoonist

Johnny Hart

Himself - Cartoonist

Hank Ketcham

Himself - Cartoonist

Mell Lazarus

Himself - Cartoonist

John Cullen Murphy

Himself

Russell Myers

Himself - Cartoonist

Patricia Patts

Herself

John Raymond

Himself - Cartoonist

Charles M. Schulz

Himself - Cartoonist

Morrie Turner

Himself - Cartoonist

Mort Walker

Himself - Cartoonist

Scott Beach

Garfield /Hagar the Horrible (voice) (uncredited)

June Foray

Broom Hilda (voice) (uncredited)

Thom Huge

Jon Arbuckle (voice) (uncredited)

Michael Mandy

Charlie Brown (voice) (uncredited)

Clarence Nash

Garfield (screeching) (uncredited)