All Cast

Will Arnett

Will Arnett

The Missing Link (voice)

Hugh Laurie

Hugh Laurie

Dr. Cockroach Ph.D. (voice)

Seth Rogen

Seth Rogen

B.O.B. (voice)

Mike Mitchell

Mike Mitchell

Invisible Man (voice)

Kiefer Sutherland

Kiefer Sutherland

General W.R. Monger (voice)