Paul McCartney

Sound

George Harrison

Sound

Ringo Starr

Ringo (uncredited)

John Lennon

Sound

Geoffrey Hughes

Paul McCartney (voice) (as Geoff Hughes)

Paul Angelis

Ringo Starr / Chief Blue Meanie / George / Narrator (voice)

George Martin

Sound

Lance Percival

Old Fred (voice)

Erich Segal

Writing

John Clive

John Lennon (voice)

Jack Stokes

Visual Effects

Dick Emery

Jeremy Hillary Boob, Ph.D. - Nowhere Man / Lord Mayor / Max (voice)

Jack Mendelsohn

Writing

Gerald Potterton

Visual Effects

Al Brodax

Production

Paul Driessen

Visual Effects

Lee Minoff

Writing

George Dunning

Directing

Geoff Collins

Visual Effects

Robert Balser

Visual Effects

Heinz Edelmann

Art

John Williams

Camera

Gillian Lacey

Visual Effects

Brian J. Bishop

Editing

Peter Batten

George (voice) (uncredited)