Secret Lab

Light (Season 2, Episode 1)

TV Episode | Family

Professor Knowitall explores light with Dr Spark and Dr Bright in British Sign Language.

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Cast	+ Add Cast
6 cast members

Name	Known for
Sebastian Cunliffe Dr. Bright Dr. Bright See fewer	You, Me, Garden? (2022)
Erika Jones Dr. Spark Dr. Spark See fewer	The Visit (I) (2013)
Bill Nash Professor Knowitall (voice) Professor Knowitall (voice) See fewer	Die Another Day (2002)
Neil Phipps Dr. Bright (voice) Dr. Bright (voice) See fewer	Nekrotronic (2018)
Tara St Clair Dr. Spark (voice) Dr. Spark (voice) See fewer	Sofia 2013 (2013)
Ramon Woolfe Professor Knowitall Professor Knowitall See fewer	The Beach (I) (2000)

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