A mad doctor transforms into a monstrous killer after injecting a serum into his thyroid gland.
Roger Bassett
Eystein Berger
Barbara Berjer
Frank Buty
Patricia Cowan
Burton Dinius
Robert Dishman
Alan Hoelting
James Leipper
Louise Lyford
Richard Lyford
Edward Powell
Marbeth Sedgwick
Brooks Stevens
David Taylor
