Revealing mistake: A set crew member's hand is seen operating the floating pen in the witch's coven ceremony.
Kolchak: The Night Stalker (1974)
1 revealing mistake in The Trevi Collection
Starring: Darren McGavin, Simon Oakland, Jack Grinnage, Ruth McDevitt
The Werewolf - S1-E5
Revealing mistake: It is obviously a dummy in a woman's dress The Werewolf throws into the empty swimming pool.
Carl Kolchak: If you want a job done right, you just have to foul it up yourself.
More trivia for Kolchak: The Night Stalker