John Qualen ( El Fabuloso Andersen
)
Danny Kaye ( El Fabuloso Andersen
)
Farley Granger ( El Fabuloso Andersen
)
Joseph Walsh ( El Fabuloso Andersen
)
Selena Royle ( Robot Monster
)
John Mylong ( Robot Monster
)
George Nader ( Robot Monster
)
Philip Tonge ( El Fabuloso Andersen
)
Claudia Barrett ( Robot Monster
)
Zizi Jeanmaire ( El Fabuloso Andersen
)
Roland Petit ( El Fabuloso Andersen
)
Jeanne Lafayette ( El Fabuloso Andersen
)
Erik Bruhn ( El Fabuloso Andersen
)
George Barrows ( Robot Monster
)
Gregory Moffett ( Robot Monster
)
Pamela Paulson ( Robot Monster
)