Martin Allemann has appeared in around 250 film and television productions, as well as commercials, since 2000. He has played roles in TV series such as "Lüthi und Blanc," "Tag & Nacht," "Tatort," and "Bestatter." He has appeared in various feature films, including as the Nazi father in "When Hitler Stole Pink Rabbit," as the lead actor in a short film about Jakob Ruf (1505-1558), Zurich's city doctor, and as the armored car driver in the SRF documentary drama about the Zurich Post Office Robbery (1997).

He has appeared in productions such as "Und Morgen bist ihr tot" (And Tomorrow You're Dead) (Michael Steiner) as an EDA employee, in the character of the police chief in WILDER 3, in roles in the short films "Paper Planes" and "Sitter," and in a versatile role in the historical film "Saitenstich."

Countless other engagements followed, including as a voice actor and singer.

In 2025, he portrayed Klaus Maria Rilke in a documentary, swam in "Water Wonder World," cooked in "Mini Chuchi, dini Chuchi," and played a merciless mercenary in the apocalypse "NOVUM."