My Stepmother Is an Alien - Cast

Dan Aykroyd

Steven Mills
Actor

Kim Basinger

Celeste Martin
Actor

Jon Lovitz

Ron Mills
Actor

Alyson Hannigan

Jessie Mills
Actor

Joseph Maher

Lucas Budlong
Actor

Seth Green

Fred Glass
Actor

Ann Prentiss

The Voice of the Bag (voice)
Actor

Wesley Mann

Grady
Actor

Tony Jay

Council Chief
Actor

Peter Bromilow

Second in Command
Actor

Harry Shearer

Carl Sagan (voice)
Actor

Adrian Sparks

Dr. Morosini
Actor

Juliette Lewis

Lexie
Actor

Tanya Fenmore

Ellen
Actor

Suzie Plakson

Tenley
Actor

Robert Benedetti

Drill Sergeant
Actor

Jim Doughan

Party Guest
Actor

Jim Jackman

Party Guest
Actor

Maxine Wasa

Porn Actress
Actor

Earl Boen

Reverend
Actor