Callum Keith Rennie portrayed Dr. Karl Malus in the Jessica Jones episodes AKA The Octopus, AKA Facetime, AKA I Want Your Cray Cray, AKA Ain't We Got Fun, AKA Pork Chop and AKA Three Lives and Counting.
- Callum Keith Rennie also portrayed Asher Talos in the New Line Cinema production Blade: Trinity.
- Callum Keith Rennie also portrayed Zack Lockhart in the Fireworks Entertainment production Mutant X.
- Callum Keith Rennie is one of the actors to portray characters for both Marvel Television and DC Entertainment. He portrayed Tyler McKnight in Smallville and Captain Jon Valor in Legends of Tomorrow.