I Was a Teenage Frankenstein

Whit Bissell

as Prof. Frankenstein

Phyllis Coates

as Margaret

Robert Burton

as Dr. Karlton

Gary Conway

as Bob / Teenage Monster

George Lynn

as Sgt. Burns

John Cliff

as Sgt. McAffee

Marshall Bradford

as Dr. Randolph

Claudia Bryar

as Arlene's Mother

Angela Austin

as First Victim

Russ Whiteman

as Dr. Elwood

Charles Seel

as Mr. Sexton, the jeweler

Paul Keast

as Man at Crash

Gretchen Thomas

as Woman in Corridor

Patrick Miller

as Police Officer (as Pat Miller)

Joy Stoner

as Arlene

Larry Carr

as Young Man (uncredited)

George DeNormand

as Party Guest (uncredited)

James Gonzalez

as Party Guest (uncredited)

Frank McLure

as Party Guest (uncredited)

William H. O'Brien

as Rooming House Boarder (uncredited)

Norman Stevans

as Party Guest (uncredited)

Arthur Tovey

as Party Guest (uncredited)