Helen Slater as Linda Lee / Supergirl

Faye Dunaway as Selena

Peter O'Toole as Zaltar

Hart Bochner as Ethan

Mia Farrow as Alura In-Ze

Simon Ward as Zor-El

Peter Cook as Nigel

Brenda Vaccaro as Bianca

Marc McClure as Jimmy Olsen

Maureen Teefy as Lucy Lane

David Healy as Mr Danvers

Sandra Dickinson as Pretty Young Lady

Robyn Mandell as Myra

Jenifer Landor as Muffy

Diana Ricardo as Mrs. Murray

Nancy Lippold as Billy-Jo

Sonya Leite as Betsy

Lynsey Beauchamp as Ali

Michelle Taylor as Amy

Nancy Wood as Nancy

Virginia Greig as Jodie

Julia Lewis as Gloria

Matt Frewer as Truck Driver

Bill Mitchell as Truck Driver

Sally Cranfield as Argonian Teacher

Kelly Hunter as Argonian Citizen

Richard Bidwell as Argonian Citizen

Martha Parsey as Argonian Citizen

Saskia van Basten-Batenburg as Argonian Citizen

Lia as Argonian Citizen

Baillie Walsh as Argonian Citizen

Beulah Hughes as Argonian Citizen

Jane Sumner as Argonian Citizen

Karen Hale as Argonian Citizen

James Snell as Argonian Citizen

Christian J. Fletcher as Argonian Citizen

Kevin Scott as Argonian Citizen

Desiree as Argonian Citizen

Mike Pearce as Argonian Citizen

Gay Baynes as Party Guest

Edwin Van Wyk as Party Guest

Elaine Ives-Cameron as Party Guest

Fred Lee Own as Party Guest

Zoot Money as Party Guest

David Graham as Party Guest

Erick Ray Evans as Party Guest

Dulcie Huston as Party Guest

April Olrich as Party Guest

Russell Sommers as Party Guest

Joe Cremona as Party Guest

Danique as Party Guest

Orla Pederson as Party Guest

Ron Travis as Party Guest

Martin Serene as Eddie

Bradley Lavelle as Lucy's Friend

Keith Edwards as Lucy's Friend

Carole Charnow as Cashier

Shezwae Powell as Waitress

Glory Annen as Midvale Protestor

Sandra Martin as Selena's Astral Image

Darrell Brook as Street Pedestrian

Russell Brook as Onlooker

Jill Goldston as Bystander at Protest

Derek Lyons as Argonian Citizen

Cathy Munroe as Argonian Citizen

Peter Ross-Murray as American Cop

Sandy Shelton as Wedding Guest