The role of Bert was played by David Sharpe, who was actually a member of Republic's celebrated team of stunt men. Because of his lead on-camera role, he was doubled by teammate James Fawcett for the more dangerous stunts.
Horace Granville:
You're mad!
No. 39013, Harry Crowel:
I spent 15 years in a cell like that. That's enough to make anyone, if not mad, then very annoyed.
In chapter four when the Daredevils rush out of the room they upset Snowflake knocking loose the dinner tray, when it crashed to the floor no food or drink is visible.
The titular trio have a pet dog named Tuffie. His is the 16th name in the cast list.
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