Guest Stars Grant Tremblay as Himself (Astrophysicist) Amber Straughn as Herself (Astrophysicist) Chiara Mingarelli as Herself (Astrophysicist) Sarafina El-Badry Nance as Herself (Astrophysicist) Max Tegmark as Himself (Theoretical Physicist) Claudia de Rham as Herself (Theoretical Physicist) Stephon Haigh-Solomon Alexander as Himself (Theoretical Physicist) Andrew Pontzen as Himself (Cosmologist) Phil Hopkins as Himself (Theoretical Astrophysicist)
