罗斯·哈根

Ross Hagen

饰：Cort Eastman

杰弗瑞·考姆斯

Jeffrey Combs

饰：Andrew Paris

Dawn Wildsmith

饰：Eddy Colchilde

罗伯特·夸里

Robert Quarry

饰：Prof. Strock

Susan Stokey

Susan Stokey

饰：Denae Chambers

拉斯·坦布林

Russ Tamblyn

饰：Bill

西碧尔·丹宁

Sybil Danning

饰：Alien Queen

蜜雪儿·鲍尔

Michelle Bauer

饰：Cave Bunny

Michael Sonye

Michael Sonye

饰：Picnic guy (as Michael D. Sonye)

Victoria Alexander

Victoria Alexander

饰：Picnic girl

Duffy

Duffy

饰：Simon

Tony Lorea

饰：Pedro

Robby the Robot

饰：Himself

Gary J. Levinson

饰：Mutant

John Gonzales

John Gonzales

饰：Mutant

Jon Edmunds

Jon Edmunds

饰：Mutant

Dan Malloy

Dan Malloy

饰：Mutant

Jerry Shull

Jerry Shull

饰：Mutant

Bob Ivy

Bob Ivy

饰：Mutant (in park,in cave)

Tricia Brown

Tricia Brown

饰：Cavegirl

Nicole Morgan

Nicole Morgan

饰：Cavegirl

Julie Crow

Julie Crow

饰：Cavegirl

Angela Post

Angela Post

饰：Cavegirl

Liat Mathias

Liat Mathias

饰：Cavegirl

Corey Kaplan

Corey Kaplan

饰：Cavegirl

Maggie Martin

Maggie Martin

饰：Cavegirl

威廉·史密斯

William Smith

饰：Dr. Chambers (uncredited)

Suzy Stokey

饰：Denae Chambers,(as Susan Stokey)