Un ombra nell'ombra

The Exorcist

Diabolik

Diabolik

Strogoff

Michael Strogoff

Barbarella

Pygar

The Russians Are Coming! The Russians Are Coming!

Alexei Kolchin

The Cassandra Crossing

Major Stark

Space Mutiny

Flight Cmdr. Elijah Kalgan

Tarzan the Ape Man

Harry Holt

Skidoo

Stash

CQ

Chairman

源

A.P Karns

Angel Eyes

Steven Fox

Marilyn Alive and Behind Bars

Harry Billings

Moon in Scorpio

Allen

Attack Force Z

Lieutenant Veitch

I 3 volti del terrore

Professor Peter Price

The Golden Voyage of Sinbad

Captain Sinbad

Da uomo a uomo

Bill Meceita

Open Season

Greg

Delta Force Commando II: Priority Red One

Col. Barberon

Bad Guys

Chief Wilford Brimley

Von Richthofen and Brown

Baron Manfred von Richthofen

Ray of Sunshine

Wanted

1. Verfolger

The Hawaiians

Noel Hoxworth

Alienator

Ward Armstrong

L'occhio dietro la parete

Arturo

Delirio di sangue

Charles Saint Simone

The Sergeant

Pfc. Tom Swanson

Thunder III

Deputy Sheriff

Hurry Sundown

Rad McDowell

The Spiral Staircase

Steven Sherman

Un sussurro nel buio

Alex

Danger - Keine Zeit zum Sterben

Ted Barner

Certo, certissimo, anzi... probabile

Crispino

Johann Strauß - Der König ohne Krone

Maximilian Steiner

Nerds of a Feather

(uncredited)

The Love Machine

Robin Stone

The Swinging Lust World of John Philip Law

Himself

A Case of Honor

Capt. Roger L. Barnes

American Commandos

Kelly

Tu dios y mi infierno

Der Schimmelreiter

Deichgraf Hauke Haien

Target of an Assassin

Shannon

Striker

Frank Morris

Cold Heat

R.C. Mallon

3 notti d'amore

Fra Felice

Docteur Justice

Dr. Benjamin Justice

Tin Man

Dr. Edison

Colpo di stato

Shaw

Smog

Mondo Rocco

Ray Harryhausen: Working with Dinosaurs

Self

Curse of the Forty-Niner

Sheriff Murphy

Monsters and Magic

Self

Brennendes Herz

Böhme

Die Wölfin vom Teufelsmoor

John Vanetti

Mario Bava: Maestro of the Macabre

Self

L'Harem

(uncredited)

Hindsight

Vincent Lehman

The Last Movie

Little Brother

Alta infedeltà

Ronald

Polvere di stelle

John

The Best Place to Be

Dr. Gary Mancini

Danger: Diabolik - From Fumetti to Film

Self

Night Train to Terror

Harry Billings (segment "The Case of Harry Billings")

Gila and Rik

Alessio

The Mountain of the Lord

Brigham Young

Railroad to Hell: A Chinaman's Chance

Foreman Dan

Rainy Day Friends

Dr. Stephen Kendrick

Mario Bava: Operazione paura

Self

Il giorno del porco

Azazel

Titans of Destruction: The Evolution of Giant Monster Movies

Self - (archive footage)

Spider-Man vs. Doc Ock

John Hardesky / The Cat (voice)