 | Tilda Cobham-Hervey als Helen Reddy |
 | Danielle Macdonald als Lillian Roxon |
 | Evan Peters als Jeff Wald |
 | Chris Parnell als Artie Mogull |
 | David Lyons als Dale Muir |
 | Matthew Cardarople als Roy Meyer |
 | Dusty Sorg als Dany Cornelius |
 | Coco Greenstone als Young Traci |
| Melody Beck als Mercury Records Receptionist |
| Simon Edds als Mercury Records Employee |
 | Damien Strouthos als Nightclub Comedian |
| Franc Violi als Nightclub Owner |
| Genevieve Davis als Helen's Neighbour |
| Aaron Sloss als Reporter |
| George Rafael als Reporter |
| Lily Donat als Greenwich Club Artist |
| Jodi Phillis als Greenwich Club Artist |
| Eric So als Los Angeles Realtor |
| Adriano Cappelletta als Los Angeles Maire'D |
| Gregg Arthur als Mike |
| Scout Bowman als Young Teen Traci |
| Toks James als Deep Purple Security Guard |
| Michael Gosden als Music Producer |
| Adrian Breakspear als Music Engineer |
| Unjoo Moon | Director |
| Dion Beebe | Director of Photography |
| Unjoo Moon | Producer |
| Rosemary Blight | Producer |
| Sharon Harel-Cohen | Executive Producer |
| Cass O'Connor | Executive Producer |
| Ben Grant | Executive Producer |
| Maya Amsellem | Executive Producer |
| Dany Cooper | Editor |
| Marcus Bolton | Executive Producer |
| Rafael May | Original Music Composer |
| Kylie du Fresne | Executive Producer |
| Tracey Mair | Executive Producer |
| Michael Turner | Production Design |
| Emily Seresin | Costume Design |
| Emma Jensen | Screenplay |
| Marianne Evans | Art Direction |
| Peter 'Babylon' Owens | Art Direction |
| Richie Dehne | Set Decoration |
| Laetitia Gangotena | Set Decoration |
| Robert Mackenzie | Sound Designer |
| Aaron Healey | Swing |
| Colin Dunn | Swing |
| John Balbi | Key Grip |
| Hilary Crombie | Second Assistant "A" Camera |
| Steve Daley | Gaffer |
| Michael Easter | Digital Imaging Technician |
| Sally Eccleston | First Assistant "B" Camera |
| Jake Iesu | Steadicam Operator |
| Jonas Juhanson | Dolly Grip |
| Khoa Le | Second Assistant "B" Camera |
| Scott Parsons | Best Boy Grip |
| Ricky Schamburg | First Assistant "A" Camera |
| Velinda Wardell | "B" Camera Operator |
