主 演： 裡克·莫拉尼斯 麥特·弗裡沃

演員表：

　　麥特·弗裡沃 Matt Frewer .... Russell "Russ" Thompson, Sr. (Big Russ Thompson)

　　裡克·莫拉尼斯 Rick Moranis .... Wayne Szalinski

　　Martin Aylett .... Harold Boorstein

　　Patrick Brown .... (uncredited)

　　Thomas Wilson Brown .... Russell "Russ" Thompson, Jr. (Little Russell Thompson)

　　Lou Cutell .... Dr. Brainard

　　Trevor Galtress .... Male Cop

　　Craig Richard Nelson .... Professor Frederickson (uncredited)

　　Amy O"Neill .... Amy Szalinski

　　Robert Oliveri .... Nick Szalinski

　　Kimmy Robertson .... Gloria Forrester

　　Jared Rushton .... Ronald "Ron" Thompson

　　Carl Steven .... Tommy Pervis

　　Marcia Strassman .... Diane Szalinski

　　Janet Sunderland .... Lauren Boorstein