Liam McIntyre (born 8 February 1982) is an Australian actor. He portrays Mark Mardon/Weather Wizard in a recurring role in the first season of The Flash, reappearing as a guest star in the second. He voiced his character in a guest star role in the second season of Vixen.
- "Out of Time" Mark Mardon/Weather Wizard
- "Rogue Time" Mark Mardon/Weather Wizard
- "Rogue Air" Mark Mardon/Weather Wizard
- Liam McIntyre is the fifth actor from the TV series, Spartacus, to have a role in the series, following Manu Bennett, Cynthia Addai-Robinson, Katrina Law, and Nick E. Tarabay.