Return of the Fly

Vincent Price

Francois Delambre

Brett Halsey

Philippe Delambre

John Sutton

Insp. Beecham

David Frankham

Ronald Holmes, alias Alan Hinds

?

Dan Seymour

Max Berthold

Danielle De Metz

Cecile Bonnard

?

Jack Daly

Granville (reporter)

?

Janine Grandel

Mme. Bonnard

?

Richard Flato

Sgt. Dubois

Gregg Martell

Cop

Barry Bernard

Lt. MacLish

Pat O'Hara

Insp. Evans

?

Francisco Villalobos

Priest

?

Joan Cotton

Nurse

Michael Mark

Gaston (watchman)