John Lennon
Himself / Ticket Salesman / Magician with coffee / Narrator (as The Beatles)
Paul McCartney
Himself / Major McCartney / Brown Nosed Magician (as The Beatles)
George Harrison
Himself / Magician Looking Through Telescope (as The Beatles)
Ringo Starr
Himself / Talkative Magician (as The Beatles)
Vivian Stanshall
The Bonzo Dog Doo-Dah Band (as The Bonzo Dog Doo-Dah Band)
Neil Innes
The Bonzo Dog Doo-Dah Band (as The Bonzo Dog Doo-Dah Band)
Roger Ruskin Spear
The Bonzo Dog Doo-Dah Band (as The Bonzo Dog Doo-Dah Band)
'Legs' Larry Smith
The Bonzo Dog Doo-Dah Band (as The Bonzo Dog Doo-Dah Band)
Sam Spoons
The Bonzo Dog Doo-Dah Band (as The Bonzo Dog Doo-Dah Band)
Rodney Slater
The Bonzo Dog Doo-Dah Band (as The Bonzo Dog Doo-Dah Band)
George Claydon
Photographer
Ivor Cutler
Mr. Bloodvessel
Shirley Evans
Accordionist
Jessie Robins
Ringo's Aunt
Victor Spinetti
Army Sergeant
Magic Alex
Himself (uncredited)
Vernon Dudley Bowhay Nowell
Bass Player, Bonzo Dog Doo Dah Band (uncredited)
Mal Evans
Magician standing in the corner (uncredited)