Sam J. Jones as Flash Gordon

Melody Anderson as Dale Arden

Max von Sydow as The Emperor Ming

Topol as Dr. Hans Zarkov

Ornella Muti as Princess Aura

Timothy Dalton as Prince Barin

Brian Blessed as Prince Vultan

Peter Wyngarde as Klytus

Mariangela Melato as Kala

John Osborne as Arborian Priest

Richard O'Brien as Fico

John Hallam as Luro

Philip Stone as Zogi, the High Priest

Suzanne Danielle as Serving Girl

William Hootkins as Munson

Bobbie Brown as Hedonia

Ted Carroll as Biro

Adrienne Kronenberg as Vultan's Daughter

Stanley Lebor as Mongon Doctor

John Morton as Airline Pilot

Burnell Tucker as Airline Co-Pilot

Robbie Coltrane as Man at Airfield

Peter Duncan as Young Treeman

Ken Sicklen as A Treeman

Tessa Hewitt as Hawk Woman

Venetia Spicer as Hawk Woman

Francis Mughan as Wounded Hawkman

Oliver MacGreevy as Klytus Observer No. 1

John Hollis as Klytus Observer No. 2

Paul Bentall as Klytus' Pilot

Leon Greene as Colonel of Battle Control

Graeme Crowther as Battle Room Controller

Tony Scannell as Ming's Officer

David Neal as Captain of Ming's Air Force

Bogdan Kominowski as Lieutenant of Ming's Air Force

George Harris as Prince of Ardentia

Colin Taylor as King of Frigia

Doretta Dunkley as Queen of Frigia

Sally Nicholson as Queen of Azuria

Deep Roy as Princess Aura's Pet

Michelle Mildwater as Special Movement

Marie Green as Special Movement

Imogen Claire as Special Movement

Kay Zimmerman as Special Movement

Frederick Warder as Special Movement

Stephen Brigden as Special Movement

Lionel Guyett as Special Movement

Ken Robertson as Special Movement

Andy Bradford as Hawkman

Bertram Adams as Hawkman

Terry Forrestal as Hawkman

Mike Potter as Hawkman

John Sullivan as Hawkman

Eddie Stacey as Hawkman

John Lees as Hawkman

Roy Scammell as Hawkman

Kathy Marquis as Sandmoon Girl

Sophie as Sandmoon Girl

Kathy September as Sandmoon Girl

Glenna Forster-Jones as Sandmoon Girl

Roseanne Romine as Cytherian Girl

Snehal Patel as Cytherian Girl

Magda as Cytherian Girl

Shaka as Cytherian Girl

Lindy as Cytherian Girl

Viva as Cytherian Girl

Beverly Andrews as Cytherian Girl

Frances Ward as Cytherian Girl

Kerry-Lou Baylis as Cytherian Girl

Camella as Cytherian Girl

Eddie Powell as Ming's Brute

Jill Goldston as Flashback Friend of Dr. Hans Zarkov (uncredited)

Barrie Holland as Air Force Officer (uncredited)