Toby Huss

Heckle (voice)

Bobcat Goldthwait

Jeckle (voice)

Dee Bradley Baker

Dinky Duck / Mighty Mouse / Sidney (voice)

Billy West

Deputy Dawg / Stanley / Creeper (voice)

Charlie Adler

Vincent Van Gopher (voice)

Rob Paulsen

Muskie / Cleo (voice)

Haley Joel Osment

Tom Terrific (voice)