American General (uncredited)
Le spie vengono dal semifreddo (1966)
Writer
Evil Stalks This House (1981)
Executive In Charge Of Production
Legends of the Super Heroes (1979)
The Gathering (1977)
Producer
Dr. Phibes Rises Again (1972)
Executive Producer
Whoever Slew Auntie Roo? (1972)
Dagmars heta trosor (1971)
Vraždy v ulici Morgue (1971)
Ohavný Dr. Phibes (1971)
Volání smrti (1970)
Na Větrné hůrce (1970)
De Sade (1969)
The Oblong Box (1969)
Co-Producer
Die sieben Männer der Sumuru (1969)
Curse of the Crimson Altar (1968)
Lovci čarodějnic (1968)
Additional Writing
La casa de las mil muñecas (1967)
Screenplay
The Ghost in the Invisible Bikini (1966)
Story
The Wild Weird World of Dr. Goldfoot (1965)
Berlino - Appuntamento per le spie (1965)
Sergeant Deadhead (1965)
City Under the Sea (1965)
Pajama Party (1964)
The Big Fun Carnival (1957)