David Carradine as Frankenstein

Simone Griffeth as Annie Smith

Sylvester Stallone as Machine Gun Joe Viterbo

Mary Woronov as Calamity Jane

Roberta Collins as Matilda the Hun

Martin Kove as Nero the Hero

Louisa Moritz as Myra

Don Steele as Junior Bruce

Joyce Jameson as Grace Pander

Carle Bensen as Harold

Sandy McCallum as Mr. President

Paul Laurence as Special Agent

Harriet Medin as Thomasina Paine

Vince Trankina as Lt. Fury

Bill Morey as Deacon

Fred Grandy as Herman the German

William Shephard as Pete

Leslie McRay as Cleopatra

Wendy Bartel as Laurie

John Favorite as Henry

Sandy Ignon as FBI Agent

John Landis as Mechanic

Roger Rook as Radio Operator

Paul Bartel as Frankenstein's Doctor (uncredited)

David Boyle as Little Boy at Picnic (uncredited)

Peter Cornberg as Resistance Army Member (uncredited)

Charles B. Griffith as Resistance Army Member (uncredited)

Alan Hubbard as Chicken Gang (uncredited)

Keith Michl as Roadblock Builder (uncredited)

Dick Miller as Chicken Gang (uncredited)

Mary-Robin Redd as Race Spectator (uncredited)

Charles Seaverns as Photographer in Pits (uncredited)

David Sharpe as Chicken Gang (uncredited)

Lewis Teague as Toreador (uncredited)

Wendy Dio as Blonde Masseuse (as Wendy Walters)