The Tree

(1969)

Director

They've Killed President Lincoln!

(1971)

Director

The Mysterious Monsters

(1976)

Director

The Amazing World of Psychic Phenomena

(1976)

Director

The Making of Star Wars

(1977)

Director

The Hanna-Barbera Hall of Fame: Yabba Dabba Doo II

(1979)

Director

SPFX: The Empire Strikes Back

(1980)

Director

The Man Who Saw Tomorrow

(1981)

Director

Great Movie Stunts: Raiders of the Lost Ark

(1981)

Director

Classic Creatures: Return of the Jedi

(1983)

Director

Dinosaur!

(1985)

Director

The Flintstones' 25th Anniversary Celebration

(1986)

Director

Here's Looking At You, Warner Bros.

(1991)

Director

Crazy About the Movies: Dennis Hopper

(1991)

Director

The Defector

(1966)

Screenplay

The Tree

(1969)

Writer

They've Killed President Lincoln!

(1971)

Writer

The Mysterious Monsters

(1976)

Writer

The Amazing World of Psychic Phenomena

(1976)

Writer

The Man Who Saw Tomorrow

(1981)

Screenplay

Classic Creatures: Return of the Jedi

(1983)

Writer

Children of the Night

(1985)

Teleplay

Here's Looking At You, Warner Bros.

(1991)

Writer

Crazy About the Movies: Dennis Hopper

(1991)

Writer

They've Killed President Lincoln!

(1971)

Producer

Victory at Entebbe

(1976)

Producer

The Mysterious Monsters

(1976)

Producer

The Making of Star Wars

(1977)

Producer

The Hanna-Barbera Hall of Fame: Yabba Dabba Doo II

(1979)

Producer

Great Movie Stunts: Raiders of the Lost Ark

(1981)

Producer

Classic Creatures: Return of the Jedi

(1983)

Producer

Dinosaur!

(1985)

Producer and Executive Producer

Children of the Night

(1985)

Executive Producer

The Flintstones' 25th Anniversary Celebration

(1986)

Producer

Here's Looking At You, Warner Bros.

(1991)

Producer