Bud Spencer

Sheriff Hall

Cary Guffey

H7-25 (aka Charlie Warren)

Ferruccio Amendola

Howard, City Mayor

Claudio Undari

Alien Boss

John Bartha

Police Chief

Carlo Reali

Lieutenant Turner

Giancarlo Bastianoni

One of the Brother's Dynamite / Masked Hooligan / Alien

Giovanni Cianfriglia

Alien

Ottaviano Dell'Acqua

Cop

Paolo Figlia

One of the Brother's Dynamite

Lorenzo Fineschi

Second Woodcutter

Enzo Maggio

Cop

Lawrence Montaigne

Military Sergeant

Riccardo Pizzuti

First Woodcutter

Larry Quackenbush

Doctor

Sergio Smacchi

Cop

Marco Stefanelli

Cop with black eye

Raffaele Mottola

Man Working for Army (uncredited)

Ted Henning

Military adviser (uncredited)

Burton Slade

Dusty Newman (uncredited)

Bill Crabb

Henry Coleman (uncredited)

Salvatore Basile

Cop in Jail (uncredited)

Edy Biagetti

Bank director (uncredited)

Giuseppe Pedersoli

Passerby greeting the sheriff (uncredited)